./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/elevator_spec13_product23.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/elevator_spec13_product23.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ef17cfb4a2c8358ea255253edc0610051a64c94a86cd92ff89d3b074c51925f6 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 09:50:05,611 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 09:50:05,613 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 09:50:05,638 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 09:50:05,639 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 09:50:05,640 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 09:50:05,641 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 09:50:05,643 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 09:50:05,644 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 09:50:05,645 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 09:50:05,646 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 09:50:05,647 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 09:50:05,647 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 09:50:05,648 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 09:50:05,658 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 09:50:05,659 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 09:50:05,660 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 09:50:05,660 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 09:50:05,662 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 09:50:05,663 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 09:50:05,664 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 09:50:05,666 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 09:50:05,667 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 09:50:05,668 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 09:50:05,684 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 09:50:05,685 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 09:50:05,685 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 09:50:05,686 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 09:50:05,686 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 09:50:05,687 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 09:50:05,687 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 09:50:05,688 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 09:50:05,688 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 09:50:05,689 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 09:50:05,690 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 09:50:05,690 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 09:50:05,690 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 09:50:05,691 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 09:50:05,691 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 09:50:05,691 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 09:50:05,692 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 09:50:05,693 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-16 09:50:05,730 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 09:50:05,731 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 09:50:05,731 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 09:50:05,731 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 09:50:05,732 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 09:50:05,732 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 09:50:05,733 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 09:50:05,733 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-16 09:50:05,733 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-16 09:50:05,733 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-16 09:50:05,733 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-16 09:50:05,733 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-16 09:50:05,733 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-16 09:50:05,734 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 09:50:05,734 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-16 09:50:05,734 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-16 09:50:05,734 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 09:50:05,734 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-16 09:50:05,734 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 09:50:05,734 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-16 09:50:05,735 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-16 09:50:05,735 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-16 09:50:05,735 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-16 09:50:05,735 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 09:50:05,735 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-16 09:50:05,735 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 09:50:05,735 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-16 09:50:05,735 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 09:50:05,735 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 09:50:05,736 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 09:50:05,736 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 09:50:05,736 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 09:50:05,737 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-16 09:50:05,737 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef17cfb4a2c8358ea255253edc0610051a64c94a86cd92ff89d3b074c51925f6 [2021-12-16 09:50:05,950 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 09:50:05,968 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 09:50:05,970 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 09:50:05,971 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 09:50:05,972 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 09:50:05,973 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/elevator_spec13_product23.cil.c [2021-12-16 09:50:06,029 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bab8d91f/c565dacf0e55493ab1ea2e4d8c8fc1be/FLAG8b944add0 [2021-12-16 09:50:06,486 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 09:50:06,486 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec13_product23.cil.c [2021-12-16 09:50:06,511 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bab8d91f/c565dacf0e55493ab1ea2e4d8c8fc1be/FLAG8b944add0 [2021-12-16 09:50:06,843 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bab8d91f/c565dacf0e55493ab1ea2e4d8c8fc1be [2021-12-16 09:50:06,845 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 09:50:06,846 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 09:50:06,849 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 09:50:06,849 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 09:50:06,852 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 09:50:06,852 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 09:50:06" (1/1) ... [2021-12-16 09:50:06,853 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35b9e874 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:50:06, skipping insertion in model container [2021-12-16 09:50:06,853 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 09:50:06" (1/1) ... [2021-12-16 09:50:06,857 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 09:50:06,909 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 09:50:07,087 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec13_product23.cil.c[1811,1824] [2021-12-16 09:50:07,366 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 09:50:07,378 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 09:50:07,389 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec13_product23.cil.c[1811,1824] [2021-12-16 09:50:07,466 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 09:50:07,497 INFO L208 MainTranslator]: Completed translation [2021-12-16 09:50:07,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:50:07 WrapperNode [2021-12-16 09:50:07,500 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 09:50:07,501 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 09:50:07,501 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 09:50:07,501 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 09:50:07,507 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:50:07" (1/1) ... [2021-12-16 09:50:07,531 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:50:07" (1/1) ... [2021-12-16 09:50:07,950 INFO L137 Inliner]: procedures = 94, calls = 346, calls flagged for inlining = 199, calls inlined = 1005, statements flattened = 35272 [2021-12-16 09:50:07,950 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 09:50:07,951 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 09:50:07,951 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 09:50:07,951 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 09:50:07,957 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:50:07" (1/1) ... [2021-12-16 09:50:07,957 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:50:07" (1/1) ... [2021-12-16 09:50:08,031 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:50:07" (1/1) ... [2021-12-16 09:50:08,032 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:50:07" (1/1) ... [2021-12-16 09:50:08,203 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:50:07" (1/1) ... [2021-12-16 09:50:08,468 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:50:07" (1/1) ... [2021-12-16 09:50:08,508 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:50:07" (1/1) ... [2021-12-16 09:50:08,602 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 09:50:08,603 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 09:50:08,603 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 09:50:08,604 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 09:50:08,620 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:50:07" (1/1) ... [2021-12-16 09:50:08,625 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:50:08,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:50:08,700 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:50:08,723 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-16 09:50:08,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 09:50:08,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 09:50:08,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 09:50:08,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 09:50:09,028 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 09:50:09,034 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 09:50:16,635 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 09:50:16,688 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 09:50:16,689 INFO L301 CfgBuilder]: Removed 61 assume(true) statements. [2021-12-16 09:50:16,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 09:50:16 BoogieIcfgContainer [2021-12-16 09:50:16,699 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 09:50:16,700 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-16 09:50:16,700 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-16 09:50:16,702 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-16 09:50:16,703 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-16 09:50:16,703 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.12 09:50:06" (1/3) ... [2021-12-16 09:50:16,704 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7ffd3f44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.12 09:50:16, skipping insertion in model container [2021-12-16 09:50:16,704 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-16 09:50:16,704 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:50:07" (2/3) ... [2021-12-16 09:50:16,704 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7ffd3f44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.12 09:50:16, skipping insertion in model container [2021-12-16 09:50:16,704 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-16 09:50:16,704 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 09:50:16" (3/3) ... [2021-12-16 09:50:16,705 INFO L388 chiAutomizerObserver]: Analyzing ICFG elevator_spec13_product23.cil.c [2021-12-16 09:50:16,738 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-16 09:50:16,738 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-16 09:50:16,738 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-16 09:50:16,739 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-16 09:50:16,739 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-16 09:50:16,739 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-16 09:50:16,739 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-16 09:50:16,739 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-16 09:50:16,996 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9457 states, 9456 states have (on average 1.8765862944162437) internal successors, (17745), 9456 states have internal predecessors, (17745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 09:50:17,106 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 2377 [2021-12-16 09:50:17,106 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 09:50:17,106 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 09:50:17,113 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 09:50:17,113 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 09:50:17,113 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-16 09:50:17,130 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9457 states, 9456 states have (on average 1.8765862944162437) internal successors, (17745), 9456 states have internal predecessors, (17745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 09:50:17,209 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 2377 [2021-12-16 09:50:17,210 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 09:50:17,210 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 09:50:17,211 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 09:50:17,211 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 09:50:17,216 INFO L791 eck$LassoCheckResult]: Stem: 7624#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(32, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(10, 4);call #Ultimate.allocInit(4, 5);call write~init~int(91, 5, 0, 1);call write~init~int(95, 5, 1, 1);call write~init~int(93, 5, 2, 1);call write~init~int(0, 5, 3, 1);call #Ultimate.allocInit(4, 6);call write~init~int(91, 6, 0, 1);call write~init~int(93, 6, 1, 1);call write~init~int(32, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(5, 7);call write~init~int(32, 7, 0, 1);call write~init~int(97, 7, 1, 1);call write~init~int(116, 7, 2, 1);call write~init~int(32, 7, 3, 1);call write~init~int(0, 7, 4, 1);call #Ultimate.allocInit(3, 8);call write~init~int(37, 8, 0, 1);call write~init~int(105, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(10, 9);call #Ultimate.allocInit(3, 10);call write~init~int(117, 10, 0, 1);call write~init~int(112, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(5, 11);call write~init~int(100, 11, 0, 1);call write~init~int(111, 11, 1, 1);call write~init~int(119, 11, 2, 1);call write~init~int(110, 11, 3, 1);call write~init~int(0, 11, 4, 1);call #Ultimate.allocInit(7, 12);call write~init~int(32, 12, 0, 1);call write~init~int(73, 12, 1, 1);call write~init~int(76, 12, 2, 1);call write~init~int(95, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(4, 13);call write~init~int(32, 13, 0, 1);call write~init~int(37, 13, 1, 1);call write~init~int(105, 13, 2, 1);call write~init~int(0, 13, 3, 1);call #Ultimate.allocInit(4, 14);call write~init~int(32, 14, 0, 1);call write~init~int(37, 14, 1, 1);call write~init~int(105, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(4, 15);call write~init~int(32, 15, 0, 1);call write~init~int(37, 15, 1, 1);call write~init~int(105, 15, 2, 1);call write~init~int(0, 15, 3, 1);call #Ultimate.allocInit(4, 16);call write~init~int(32, 16, 0, 1);call write~init~int(37, 16, 1, 1);call write~init~int(105, 16, 2, 1);call write~init~int(0, 16, 3, 1);call #Ultimate.allocInit(4, 17);call write~init~int(32, 17, 0, 1);call write~init~int(37, 17, 1, 1);call write~init~int(105, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(6, 18);call write~init~int(32, 18, 0, 1);call write~init~int(70, 18, 1, 1);call write~init~int(95, 18, 2, 1);call write~init~int(112, 18, 3, 1);call write~init~int(58, 18, 4, 1);call write~init~int(0, 18, 5, 1);call #Ultimate.allocInit(4, 19);call write~init~int(32, 19, 0, 1);call write~init~int(37, 19, 1, 1);call write~init~int(105, 19, 2, 1);call write~init~int(0, 19, 3, 1);call #Ultimate.allocInit(4, 20);call write~init~int(32, 20, 0, 1);call write~init~int(37, 20, 1, 1);call write~init~int(105, 20, 2, 1);call write~init~int(0, 20, 3, 1);call #Ultimate.allocInit(4, 21);call write~init~int(32, 21, 0, 1);call write~init~int(37, 21, 1, 1);call write~init~int(105, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(4, 22);call write~init~int(32, 22, 0, 1);call write~init~int(37, 22, 1, 1);call write~init~int(105, 22, 2, 1);call write~init~int(0, 22, 3, 1);call #Ultimate.allocInit(4, 23);call write~init~int(32, 23, 0, 1);call write~init~int(37, 23, 1, 1);call write~init~int(105, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(2, 24);call write~init~int(10, 24, 0, 1);call write~init~int(0, 24, 1, 1);call #Ultimate.allocInit(30, 25);call #Ultimate.allocInit(9, 26);call #Ultimate.allocInit(21, 27);call #Ultimate.allocInit(30, 28);call #Ultimate.allocInit(9, 29);call #Ultimate.allocInit(21, 30);call #Ultimate.allocInit(30, 31);call #Ultimate.allocInit(9, 32);call #Ultimate.allocInit(25, 33);call #Ultimate.allocInit(30, 34);call #Ultimate.allocInit(9, 35);call #Ultimate.allocInit(25, 36);~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~prevDir~0 := 0;~cleanupTimeShifts~0 := 12;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~calls_0~0 := 0;~calls_1~0 := 0;~calls_2~0 := 0;~calls_3~0 := 0;~calls_4~0 := 0;~personOnFloor_0_0~0 := 0;~personOnFloor_0_1~0 := 0;~personOnFloor_0_2~0 := 0;~personOnFloor_0_3~0 := 0;~personOnFloor_0_4~0 := 0;~personOnFloor_1_0~0 := 0;~personOnFloor_1_1~0 := 0;~personOnFloor_1_2~0 := 0;~personOnFloor_1_3~0 := 0;~personOnFloor_1_4~0 := 0;~personOnFloor_2_0~0 := 0;~personOnFloor_2_1~0 := 0;~personOnFloor_2_2~0 := 0;~personOnFloor_2_3~0 := 0;~personOnFloor_2_4~0 := 0;~personOnFloor_3_0~0 := 0;~personOnFloor_3_1~0 := 0;~personOnFloor_3_2~0 := 0;~personOnFloor_3_3~0 := 0;~personOnFloor_3_4~0 := 0;~personOnFloor_4_0~0 := 0;~personOnFloor_4_1~0 := 0;~personOnFloor_4_2~0 := 0;~personOnFloor_4_3~0 := 0;~personOnFloor_4_4~0 := 0;~personOnFloor_5_0~0 := 0;~personOnFloor_5_1~0 := 0;~personOnFloor_5_2~0 := 0;~personOnFloor_5_3~0 := 0;~personOnFloor_5_4~0 := 0; 4624#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret116#1, main_~retValue_acc~23#1, main_~tmp~25#1;havoc main_~retValue_acc~23#1;havoc main_~tmp~25#1;assume { :begin_inline_select_helpers } true; 4271#L2731true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 7796#L2724true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~28#1;havoc valid_product_~retValue_acc~28#1;valid_product_~retValue_acc~28#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~28#1; 1806#L2739true main_#t~ret116#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~25#1 := main_#t~ret116#1;havoc main_#t~ret116#1; 7884#L2329true assume 0 != main_~tmp~25#1;assume { :begin_inline_setup } true; 8021#L2303true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;assume { :begin_inline_aliceCall } true;havoc aliceCall_#t~ret105#1, aliceCall_~tmp~18#1;havoc aliceCall_~tmp~18#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~20#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~20#1; 1633#L1917true assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~20#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~20#1; 8966#L1942true aliceCall_#t~ret105#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~18#1 := aliceCall_#t~ret105#1;havoc aliceCall_#t~ret105#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~18#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 8861#L3097true assume 0 == initPersonOnFloor_~floor#1; 3737#L3098true assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 4800#L3205-1true assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 7705#L2889true assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 8536#L2901-2true assume { :end_inline_callOnFloor } true; 6285#L3241true assume { :end_inline_initPersonOnFloor } true; 6519#L2064true assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret106#1, angelinaCall_~tmp~19#1;havoc angelinaCall_~tmp~19#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~20#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~20#1; 6750#L1917-1true assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~20#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~20#1; 7684#L1942-1true angelinaCall_#t~ret106#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~19#1 := angelinaCall_#t~ret106#1;havoc angelinaCall_#t~ret106#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~19#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 5434#L3097-1true assume 0 == initPersonOnFloor_~floor#1; 3698#L3098-2true assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 2236#L3205-3true assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 2714#L2889-2true assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 4095#L2901-5true assume { :end_inline_callOnFloor } true; 2971#L3241-1true assume { :end_inline_initPersonOnFloor } true; 3886#L2075true assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret65#1, timeShift_#t~ret66#1, timeShift_#t~ret67#1, timeShift_#t~ret68#1, timeShift_#t~ret69#1, timeShift_#t~ret70#1, timeShift_#t~ret71#1, timeShift_#t~ret72#1, timeShift_#t~ret73#1, timeShift_#t~ret74#1, timeShift_#t~ret75#1, timeShift_~tmp~15#1, timeShift_~tmp___0~10#1, timeShift_~tmp___1~6#1, timeShift_~tmp___2~4#1, timeShift_~tmp___3~4#1, timeShift_~tmp___4~3#1, timeShift_~tmp___5~2#1, timeShift_~tmp___6~2#1, timeShift_~tmp___7~2#1, timeShift_~tmp___8~2#1, timeShift_~tmp___9~2#1;havoc timeShift_~tmp~15#1;havoc timeShift_~tmp___0~10#1;havoc timeShift_~tmp___1~6#1;havoc timeShift_~tmp___2~4#1;havoc timeShift_~tmp___3~4#1;havoc timeShift_~tmp___4~3#1;havoc timeShift_~tmp___5~2#1;havoc timeShift_~tmp___6~2#1;havoc timeShift_~tmp___7~2#1;havoc timeShift_~tmp___8~2#1;havoc timeShift_~tmp___9~2#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret4#1;assume { :begin_inline_getCurrentHeading } true;havoc getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~4#1;havoc getCurrentHeading_~retValue_acc~4#1;getCurrentHeading_~retValue_acc~4#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~4#1; 2561#L559true __utac_acc__Specification13_spec__1_#t~ret4#1 := getCurrentHeading_#res#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret4#1;havoc __utac_acc__Specification13_spec__1_#t~ret4#1; 8096#L90true assume { :end_inline___utac_acc__Specification13_spec__1 } true;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret49#1, stopRequestedAtCurrentFloor_#t~ret50#1, stopRequestedAtCurrentFloor_#t~ret51#1, stopRequestedAtCurrentFloor_#t~ret52#1, stopRequestedAtCurrentFloor_~retValue_acc~14#1, stopRequestedAtCurrentFloor_~tmp~13#1, stopRequestedAtCurrentFloor_~tmp___0~8#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~14#1;havoc stopRequestedAtCurrentFloor_~tmp~13#1;havoc stopRequestedAtCurrentFloor_~tmp___0~8#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret102#1, isExecutiveFloorCalling_~retValue_acc~17#1;havoc isExecutiveFloorCalling_~retValue_acc~17#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~29#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~29#1; 7493#L2826true assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~29#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~29#1; 599#L2853true isExecutiveFloorCalling_#t~ret102#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~17#1 := isExecutiveFloorCalling_#t~ret102#1;havoc isExecutiveFloorCalling_#t~ret102#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~17#1; 8152#L1860true stopRequestedAtCurrentFloor_#t~ret49#1 := isExecutiveFloorCalling_#res#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedAtCurrentFloor_~tmp~13#1 := stopRequestedAtCurrentFloor_#t~ret49#1;havoc stopRequestedAtCurrentFloor_#t~ret49#1; 2368#L1244true assume 0 != stopRequestedAtCurrentFloor_~tmp~13#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~1#1;havoc getCurrentFloorID_~retValue_acc~1#1;getCurrentFloorID_~retValue_acc~1#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~1#1; 5154#L507true stopRequestedAtCurrentFloor_#t~ret50#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedAtCurrentFloor_~tmp___0~8#1 := stopRequestedAtCurrentFloor_#t~ret50#1;havoc stopRequestedAtCurrentFloor_#t~ret50#1; 7144#L1248true assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~8#1);stopRequestedAtCurrentFloor_~retValue_acc~14#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~14#1; 6700#L1261true timeShift_#t~ret65#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret65#1;havoc timeShift_#t~ret65#1; 4568#L1397true assume !(0 != timeShift_~tmp___9~2#1); 4262#L1488true assume 1 == ~doorState~0;~doorState~0 := 0; 1833#L1488-2true assume { :begin_inline_stopRequestedInDirection } true;stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1 := ~currentHeading~0, 1, 1;havoc stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~10#1, stopRequestedInDirection_~tmp~9#1, stopRequestedInDirection_~tmp___0~5#1, stopRequestedInDirection_~__cil_tmp7~1#1, stopRequestedInDirection_~__cil_tmp8~2#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~10#1;havoc stopRequestedInDirection_~tmp~9#1;havoc stopRequestedInDirection_~tmp___0~5#1;havoc stopRequestedInDirection_~__cil_tmp7~1#1;havoc stopRequestedInDirection_~__cil_tmp8~2#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret102#1, isExecutiveFloorCalling_~retValue_acc~17#1;havoc isExecutiveFloorCalling_~retValue_acc~17#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~29#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~29#1; 7001#L2826-3true assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~29#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~29#1; 6599#L2853-3true isExecutiveFloorCalling_#t~ret102#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~17#1 := isExecutiveFloorCalling_#t~ret102#1;havoc isExecutiveFloorCalling_#t~ret102#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~17#1; 3066#L1860-1true stopRequestedInDirection_#t~ret40#1 := isExecutiveFloorCalling_#res#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedInDirection_~tmp___0~5#1 := stopRequestedInDirection_#t~ret40#1;havoc stopRequestedInDirection_#t~ret40#1; 4949#L1099true assume 0 != stopRequestedInDirection_~tmp___0~5#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~1#1;havoc getCurrentFloorID_~retValue_acc~1#1;getCurrentFloorID_~retValue_acc~1#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~1#1; 6927#L507-3true stopRequestedInDirection_#t~ret41#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedInDirection_~tmp~9#1 := stopRequestedInDirection_#t~ret41#1;havoc stopRequestedInDirection_#t~ret41#1;stopRequestedInDirection_~__cil_tmp7~1#1 := (if 1 == stopRequestedInDirection_~dir#1 then 1 else 0);stopRequestedInDirection_~__cil_tmp8~2#1 := (if stopRequestedInDirection_~tmp~9#1 < ~executiveFloor~0 then 1 else 0);stopRequestedInDirection_~retValue_acc~10#1 := (if stopRequestedInDirection_~__cil_tmp8~2#1 == stopRequestedInDirection_~__cil_tmp7~1#1 then 1 else 0);stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~10#1; 1088#L1112true timeShift_#t~ret72#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret72#1;havoc timeShift_#t~ret72#1; 76#L1496true assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret43#1, continueInDirection_~dir#1, continueInDirection_~tmp~10#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~10#1;~currentHeading~0 := continueInDirection_~dir#1; 1446#L1156true assume !(1 == ~currentHeading~0); 95#L1166true assume !(0 == ~currentFloorID~0); 2364#L1166-2true assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 9130#L1172-1true assume { :end_inline_continueInDirection } true; 7998#L1505-2true assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret5#1, __utac_acc__Specification13_spec__2_#t~ret6#1, __utac_acc__Specification13_spec__2_#t~ret7#1, __utac_acc__Specification13_spec__2_#t~ret8#1, __utac_acc__Specification13_spec__2_#t~ret9#1, __utac_acc__Specification13_spec__2_#t~ret10#1, __utac_acc__Specification13_spec__2_~tmp~0#1, __utac_acc__Specification13_spec__2_~tmp___0~0#1, __utac_acc__Specification13_spec__2_~tmp___1~0#1, __utac_acc__Specification13_spec__2_~tmp___2~0#1, __utac_acc__Specification13_spec__2_~tmp___3~0#1, __utac_acc__Specification13_spec__2_~tmp___4~0#1, __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1, __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1;havoc __utac_acc__Specification13_spec__2_~tmp~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___1~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___2~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___3~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___4~0#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1;__utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 := 2 * ~maximumWeight~0;__utac_acc__Specification13_spec__2_~__cil_tmp8~0#1 := (if __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 < 0 && 0 != __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 % 3 then 1 + __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 / 3 else __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 / 3); 1190#L108true assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1; 3944#L109true assume 1 == ~prevDir~0;assume { :begin_inline_existInLiftCallsInDirection } true;existInLiftCallsInDirection_#in~d#1 := 0;havoc existInLiftCallsInDirection_#res#1;havoc existInLiftCallsInDirection_~d#1, existInLiftCallsInDirection_~retValue_acc~16#1, existInLiftCallsInDirection_~i~2#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~16#1;havoc existInLiftCallsInDirection_~i~2#1;havoc existInLiftCallsInDirection_~i___0~0#1; 811#L1700true assume 1 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i~2#1 := 0;existInLiftCallsInDirection_~i~2#1 := 1 + ~currentFloorID~0; 5984#L1704-2true [2021-12-16 09:50:17,217 INFO L793 eck$LassoCheckResult]: Loop: 5984#L1704-2true assume !false; 8945#L1705true assume existInLiftCallsInDirection_~i~2#1 < 5; 8077#L1706true assume !(0 == existInLiftCallsInDirection_~i~2#1); 538#L1719true assume !(1 == existInLiftCallsInDirection_~i~2#1); 9116#L1728true assume !(2 == existInLiftCallsInDirection_~i~2#1); 536#L1737true assume !(3 == existInLiftCallsInDirection_~i~2#1); 2782#L1746true assume !(4 == existInLiftCallsInDirection_~i~2#1); 8711#L1747-1true existInLiftCallsInDirection_~i~2#1 := 1 + existInLiftCallsInDirection_~i~2#1; 5984#L1704-2true [2021-12-16 09:50:17,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:50:17,222 INFO L85 PathProgramCache]: Analyzing trace with hash -377515284, now seen corresponding path program 1 times [2021-12-16 09:50:17,228 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:50:17,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327299806] [2021-12-16 09:50:17,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:50:17,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:50:17,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:50:17,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 09:50:17,409 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 09:50:17,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327299806] [2021-12-16 09:50:17,409 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327299806] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 09:50:17,410 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 09:50:17,410 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 09:50:17,411 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979537598] [2021-12-16 09:50:17,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 09:50:17,414 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-16 09:50:17,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:50:17,415 INFO L85 PathProgramCache]: Analyzing trace with hash 1111738493, now seen corresponding path program 1 times [2021-12-16 09:50:17,415 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:50:17,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142860589] [2021-12-16 09:50:17,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:50:17,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:50:17,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:50:17,421 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:50:17,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:50:17,435 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:50:17,473 INFO L210 LassoAnalysis]: Preferences: [2021-12-16 09:50:17,474 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-16 09:50:17,474 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-16 09:50:17,474 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-16 09:50:17,474 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-16 09:50:17,474 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:50:17,474 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-16 09:50:17,474 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-16 09:50:17,475 INFO L133 ssoRankerPreferences]: Filename of dumped script: elevator_spec13_product23.cil.c_Iteration1_Loop [2021-12-16 09:50:17,475 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-16 09:50:17,475 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-16 09:50:17,487 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:50:17,527 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-16 09:50:17,528 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-16 09:50:17,529 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:50:17,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:50:17,530 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:50:17,536 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-16 09:50:17,536 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-16 09:50:17,546 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-16 09:50:17,579 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-12-16 09:50:17,580 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:50:17,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:50:17,581 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:50:17,602 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-16 09:50:17,603 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-16 09:50:17,603 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-16 09:50:17,629 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-16 09:50:17,633 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-12-16 09:50:17,633 INFO L210 LassoAnalysis]: Preferences: [2021-12-16 09:50:17,633 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-16 09:50:17,634 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-16 09:50:17,634 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-16 09:50:17,634 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-16 09:50:17,634 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:50:17,634 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-16 09:50:17,634 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-16 09:50:17,634 INFO L133 ssoRankerPreferences]: Filename of dumped script: elevator_spec13_product23.cil.c_Iteration1_Loop [2021-12-16 09:50:17,634 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-16 09:50:17,634 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-16 09:50:17,635 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:50:17,678 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-16 09:50:17,681 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-16 09:50:17,682 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:50:17,683 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:50:17,696 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:50:17,698 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-16 09:50:17,699 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 09:50:17,705 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:50:17,705 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:50:17,705 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:50:17,705 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:50:17,705 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:50:17,709 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 09:50:17,709 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:50:17,723 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-16 09:50:17,730 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-12-16 09:50:17,730 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-12-16 09:50:17,731 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:50:17,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:50:17,732 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:50:17,734 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-16 09:50:17,735 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-16 09:50:17,735 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-16 09:50:17,736 INFO L513 LassoAnalysis]: Proved termination. [2021-12-16 09:50:17,736 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_existInLiftCallsInDirection_~i~2#1) = -1*ULTIMATE.start_existInLiftCallsInDirection_~i~2#1 Supporting invariants [] [2021-12-16 09:50:17,758 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-12-16 09:50:17,760 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-12-16 09:50:17,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:50:17,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:50:17,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 623 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-16 09:50:17,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 09:50:18,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:50:18,055 WARN L261 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 9 conjunts are in the unsatisfiable core [2021-12-16 09:50:18,056 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 09:50:18,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 09:50:18,255 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 7 loop predicates [2021-12-16 09:50:18,281 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 9457 states, 9456 states have (on average 1.8765862944162437) internal successors, (17745), 9456 states have internal predecessors, (17745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 09:50:18,927 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-12-16 09:50:22,523 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 9457 states, 9456 states have (on average 1.8765862944162437) internal successors, (17745), 9456 states have internal predecessors, (17745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 107651 states and 201837 transitions. Complement of second has 18 states. [2021-12-16 09:50:22,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 1 stem states 7 non-accepting loop states 1 accepting loop states [2021-12-16 09:50:22,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 09:50:22,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 109799 transitions. [2021-12-16 09:50:22,649 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 109799 transitions. Stem has 52 letters. Loop has 8 letters. [2021-12-16 09:50:22,650 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 09:50:22,650 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 109799 transitions. Stem has 60 letters. Loop has 8 letters. [2021-12-16 09:50:22,651 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 09:50:22,651 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 109799 transitions. Stem has 52 letters. Loop has 16 letters. [2021-12-16 09:50:22,653 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 09:50:22,653 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 107651 states and 201837 transitions. [2021-12-16 09:50:23,332 INFO L131 ngComponentsAnalysis]: Automaton has 66 accepting balls. 15168 [2021-12-16 09:50:23,575 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 107651 states to 58440 states and 109522 transitions. [2021-12-16 09:50:23,576 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 58410 [2021-12-16 09:50:23,629 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 58411 [2021-12-16 09:50:23,630 INFO L73 IsDeterministic]: Start isDeterministic. Operand 58440 states and 109522 transitions. [2021-12-16 09:50:23,635 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-16 09:50:23,636 INFO L681 BuchiCegarLoop]: Abstraction has 58440 states and 109522 transitions. [2021-12-16 09:50:23,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58440 states and 109522 transitions. [2021-12-16 09:50:24,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58440 to 16991. [2021-12-16 09:50:24,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16991 states, 16991 states have (on average 1.8692837384497676) internal successors, (31761), 16990 states have internal predecessors, (31761), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 09:50:24,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16991 states to 16991 states and 31761 transitions. [2021-12-16 09:50:24,297 INFO L704 BuchiCegarLoop]: Abstraction has 16991 states and 31761 transitions. [2021-12-16 09:50:24,297 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 09:50:24,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 09:50:24,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-16 09:50:24,303 INFO L87 Difference]: Start difference. First operand 16991 states and 31761 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 09:50:24,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 09:50:24,605 INFO L93 Difference]: Finished difference Result 24550 states and 45741 transitions. [2021-12-16 09:50:24,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-16 09:50:24,606 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24550 states and 45741 transitions. [2021-12-16 09:50:24,703 INFO L131 ngComponentsAnalysis]: Automaton has 78 accepting balls. 8686 [2021-12-16 09:50:24,786 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24550 states to 24537 states and 45728 transitions. [2021-12-16 09:50:24,787 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 24518 [2021-12-16 09:50:24,811 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24518 [2021-12-16 09:50:24,812 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24537 states and 45728 transitions. [2021-12-16 09:50:24,813 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-16 09:50:24,813 INFO L681 BuchiCegarLoop]: Abstraction has 24537 states and 45728 transitions. [2021-12-16 09:50:24,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24537 states and 45728 transitions. [2021-12-16 09:50:25,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24537 to 9454. [2021-12-16 09:50:25,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9454 states, 9454 states have (on average 1.863655595515126) internal successors, (17619), 9453 states have internal predecessors, (17619), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 09:50:25,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9454 states to 9454 states and 17619 transitions. [2021-12-16 09:50:25,173 INFO L704 BuchiCegarLoop]: Abstraction has 9454 states and 17619 transitions. [2021-12-16 09:50:25,173 INFO L587 BuchiCegarLoop]: Abstraction has 9454 states and 17619 transitions. [2021-12-16 09:50:25,173 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-16 09:50:25,173 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9454 states and 17619 transitions. [2021-12-16 09:50:25,196 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 2377 [2021-12-16 09:50:25,196 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 09:50:25,196 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 09:50:25,197 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 09:50:25,197 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 09:50:25,198 INFO L791 eck$LassoCheckResult]: Stem: 168020#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(32, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(10, 4);call #Ultimate.allocInit(4, 5);call write~init~int(91, 5, 0, 1);call write~init~int(95, 5, 1, 1);call write~init~int(93, 5, 2, 1);call write~init~int(0, 5, 3, 1);call #Ultimate.allocInit(4, 6);call write~init~int(91, 6, 0, 1);call write~init~int(93, 6, 1, 1);call write~init~int(32, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(5, 7);call write~init~int(32, 7, 0, 1);call write~init~int(97, 7, 1, 1);call write~init~int(116, 7, 2, 1);call write~init~int(32, 7, 3, 1);call write~init~int(0, 7, 4, 1);call #Ultimate.allocInit(3, 8);call write~init~int(37, 8, 0, 1);call write~init~int(105, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(10, 9);call #Ultimate.allocInit(3, 10);call write~init~int(117, 10, 0, 1);call write~init~int(112, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(5, 11);call write~init~int(100, 11, 0, 1);call write~init~int(111, 11, 1, 1);call write~init~int(119, 11, 2, 1);call write~init~int(110, 11, 3, 1);call write~init~int(0, 11, 4, 1);call #Ultimate.allocInit(7, 12);call write~init~int(32, 12, 0, 1);call write~init~int(73, 12, 1, 1);call write~init~int(76, 12, 2, 1);call write~init~int(95, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(4, 13);call write~init~int(32, 13, 0, 1);call write~init~int(37, 13, 1, 1);call write~init~int(105, 13, 2, 1);call write~init~int(0, 13, 3, 1);call #Ultimate.allocInit(4, 14);call write~init~int(32, 14, 0, 1);call write~init~int(37, 14, 1, 1);call write~init~int(105, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(4, 15);call write~init~int(32, 15, 0, 1);call write~init~int(37, 15, 1, 1);call write~init~int(105, 15, 2, 1);call write~init~int(0, 15, 3, 1);call #Ultimate.allocInit(4, 16);call write~init~int(32, 16, 0, 1);call write~init~int(37, 16, 1, 1);call write~init~int(105, 16, 2, 1);call write~init~int(0, 16, 3, 1);call #Ultimate.allocInit(4, 17);call write~init~int(32, 17, 0, 1);call write~init~int(37, 17, 1, 1);call write~init~int(105, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(6, 18);call write~init~int(32, 18, 0, 1);call write~init~int(70, 18, 1, 1);call write~init~int(95, 18, 2, 1);call write~init~int(112, 18, 3, 1);call write~init~int(58, 18, 4, 1);call write~init~int(0, 18, 5, 1);call #Ultimate.allocInit(4, 19);call write~init~int(32, 19, 0, 1);call write~init~int(37, 19, 1, 1);call write~init~int(105, 19, 2, 1);call write~init~int(0, 19, 3, 1);call #Ultimate.allocInit(4, 20);call write~init~int(32, 20, 0, 1);call write~init~int(37, 20, 1, 1);call write~init~int(105, 20, 2, 1);call write~init~int(0, 20, 3, 1);call #Ultimate.allocInit(4, 21);call write~init~int(32, 21, 0, 1);call write~init~int(37, 21, 1, 1);call write~init~int(105, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(4, 22);call write~init~int(32, 22, 0, 1);call write~init~int(37, 22, 1, 1);call write~init~int(105, 22, 2, 1);call write~init~int(0, 22, 3, 1);call #Ultimate.allocInit(4, 23);call write~init~int(32, 23, 0, 1);call write~init~int(37, 23, 1, 1);call write~init~int(105, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(2, 24);call write~init~int(10, 24, 0, 1);call write~init~int(0, 24, 1, 1);call #Ultimate.allocInit(30, 25);call #Ultimate.allocInit(9, 26);call #Ultimate.allocInit(21, 27);call #Ultimate.allocInit(30, 28);call #Ultimate.allocInit(9, 29);call #Ultimate.allocInit(21, 30);call #Ultimate.allocInit(30, 31);call #Ultimate.allocInit(9, 32);call #Ultimate.allocInit(25, 33);call #Ultimate.allocInit(30, 34);call #Ultimate.allocInit(9, 35);call #Ultimate.allocInit(25, 36);~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~prevDir~0 := 0;~cleanupTimeShifts~0 := 12;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~calls_0~0 := 0;~calls_1~0 := 0;~calls_2~0 := 0;~calls_3~0 := 0;~calls_4~0 := 0;~personOnFloor_0_0~0 := 0;~personOnFloor_0_1~0 := 0;~personOnFloor_0_2~0 := 0;~personOnFloor_0_3~0 := 0;~personOnFloor_0_4~0 := 0;~personOnFloor_1_0~0 := 0;~personOnFloor_1_1~0 := 0;~personOnFloor_1_2~0 := 0;~personOnFloor_1_3~0 := 0;~personOnFloor_1_4~0 := 0;~personOnFloor_2_0~0 := 0;~personOnFloor_2_1~0 := 0;~personOnFloor_2_2~0 := 0;~personOnFloor_2_3~0 := 0;~personOnFloor_2_4~0 := 0;~personOnFloor_3_0~0 := 0;~personOnFloor_3_1~0 := 0;~personOnFloor_3_2~0 := 0;~personOnFloor_3_3~0 := 0;~personOnFloor_3_4~0 := 0;~personOnFloor_4_0~0 := 0;~personOnFloor_4_1~0 := 0;~personOnFloor_4_2~0 := 0;~personOnFloor_4_3~0 := 0;~personOnFloor_4_4~0 := 0;~personOnFloor_5_0~0 := 0;~personOnFloor_5_1~0 := 0;~personOnFloor_5_2~0 := 0;~personOnFloor_5_3~0 := 0;~personOnFloor_5_4~0 := 0; 166207#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret116#1, main_~retValue_acc~23#1, main_~tmp~25#1;havoc main_~retValue_acc~23#1;havoc main_~tmp~25#1;assume { :begin_inline_select_helpers } true; 165877#L2731 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 165878#L2724 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~28#1;havoc valid_product_~retValue_acc~28#1;valid_product_~retValue_acc~28#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~28#1; 162686#L2739 main_#t~ret116#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~25#1 := main_#t~ret116#1;havoc main_#t~ret116#1; 162687#L2329 assume 0 != main_~tmp~25#1;assume { :begin_inline_setup } true; 168107#L2303 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;assume { :begin_inline_aliceCall } true;havoc aliceCall_#t~ret105#1, aliceCall_~tmp~18#1;havoc aliceCall_~tmp~18#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~20#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~20#1; 162380#L1917 assume !(0 == getOrigin_~person#1); 162381#L1921 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~20#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~20#1; 160507#L1942 aliceCall_#t~ret105#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~18#1 := aliceCall_#t~ret105#1;havoc aliceCall_#t~ret105#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~18#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 168298#L3097 assume 0 == initPersonOnFloor_~floor#1; 165351#L3098 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 160240#L3205-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 166369#L2889 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 161842#L2901-2 assume { :end_inline_callOnFloor } true; 167437#L3241 assume { :end_inline_initPersonOnFloor } true; 167438#L2064 assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret106#1, angelinaCall_~tmp~19#1;havoc angelinaCall_~tmp~19#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~20#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~20#1; 167563#L1917-1 assume !(0 == getOrigin_~person#1); 164162#L1921-1 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~20#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~20#1; 159687#L1942-1 angelinaCall_#t~ret106#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~19#1 := angelinaCall_#t~ret106#1;havoc angelinaCall_#t~ret106#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~19#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 166891#L3097-1 assume 0 == initPersonOnFloor_~floor#1; 165302#L3098-2 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 159131#L3205-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 163377#L2889-2 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 164084#L2901-5 assume { :end_inline_callOnFloor } true; 164426#L3241-1 assume { :end_inline_initPersonOnFloor } true; 164427#L2075 assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret65#1, timeShift_#t~ret66#1, timeShift_#t~ret67#1, timeShift_#t~ret68#1, timeShift_#t~ret69#1, timeShift_#t~ret70#1, timeShift_#t~ret71#1, timeShift_#t~ret72#1, timeShift_#t~ret73#1, timeShift_#t~ret74#1, timeShift_#t~ret75#1, timeShift_~tmp~15#1, timeShift_~tmp___0~10#1, timeShift_~tmp___1~6#1, timeShift_~tmp___2~4#1, timeShift_~tmp___3~4#1, timeShift_~tmp___4~3#1, timeShift_~tmp___5~2#1, timeShift_~tmp___6~2#1, timeShift_~tmp___7~2#1, timeShift_~tmp___8~2#1, timeShift_~tmp___9~2#1;havoc timeShift_~tmp~15#1;havoc timeShift_~tmp___0~10#1;havoc timeShift_~tmp___1~6#1;havoc timeShift_~tmp___2~4#1;havoc timeShift_~tmp___3~4#1;havoc timeShift_~tmp___4~3#1;havoc timeShift_~tmp___5~2#1;havoc timeShift_~tmp___6~2#1;havoc timeShift_~tmp___7~2#1;havoc timeShift_~tmp___8~2#1;havoc timeShift_~tmp___9~2#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret4#1;assume { :begin_inline_getCurrentHeading } true;havoc getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~4#1;havoc getCurrentHeading_~retValue_acc~4#1;getCurrentHeading_~retValue_acc~4#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~4#1; 163853#L559 __utac_acc__Specification13_spec__1_#t~ret4#1 := getCurrentHeading_#res#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret4#1;havoc __utac_acc__Specification13_spec__1_#t~ret4#1; 163854#L90 assume { :end_inline___utac_acc__Specification13_spec__1 } true;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret49#1, stopRequestedAtCurrentFloor_#t~ret50#1, stopRequestedAtCurrentFloor_#t~ret51#1, stopRequestedAtCurrentFloor_#t~ret52#1, stopRequestedAtCurrentFloor_~retValue_acc~14#1, stopRequestedAtCurrentFloor_~tmp~13#1, stopRequestedAtCurrentFloor_~tmp___0~8#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~14#1;havoc stopRequestedAtCurrentFloor_~tmp~13#1;havoc stopRequestedAtCurrentFloor_~tmp___0~8#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret102#1, isExecutiveFloorCalling_~retValue_acc~17#1;havoc isExecutiveFloorCalling_~retValue_acc~17#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~29#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~29#1; 167987#L2826 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~29#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~29#1; 160361#L2853 isExecutiveFloorCalling_#t~ret102#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~17#1 := isExecutiveFloorCalling_#t~ret102#1;havoc isExecutiveFloorCalling_#t~ret102#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~17#1; 160362#L1860 stopRequestedAtCurrentFloor_#t~ret49#1 := isExecutiveFloorCalling_#res#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedAtCurrentFloor_~tmp~13#1 := stopRequestedAtCurrentFloor_#t~ret49#1;havoc stopRequestedAtCurrentFloor_#t~ret49#1; 163579#L1244 assume 0 != stopRequestedAtCurrentFloor_~tmp~13#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~1#1;havoc getCurrentFloorID_~retValue_acc~1#1;getCurrentFloorID_~retValue_acc~1#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~1#1; 163581#L507 stopRequestedAtCurrentFloor_#t~ret50#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedAtCurrentFloor_~tmp___0~8#1 := stopRequestedAtCurrentFloor_#t~ret50#1;havoc stopRequestedAtCurrentFloor_#t~ret50#1; 166694#L1248 assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~8#1);stopRequestedAtCurrentFloor_~retValue_acc~14#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~14#1; 165581#L1261 timeShift_#t~ret65#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret65#1;havoc timeShift_#t~ret65#1; 166151#L1397 assume !(0 != timeShift_~tmp___9~2#1); 165870#L1488 assume 1 == ~doorState~0;~doorState~0 := 0; 162728#L1488-2 assume { :begin_inline_stopRequestedInDirection } true;stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1 := ~currentHeading~0, 1, 1;havoc stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~10#1, stopRequestedInDirection_~tmp~9#1, stopRequestedInDirection_~tmp___0~5#1, stopRequestedInDirection_~__cil_tmp7~1#1, stopRequestedInDirection_~__cil_tmp8~2#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~10#1;havoc stopRequestedInDirection_~tmp~9#1;havoc stopRequestedInDirection_~tmp___0~5#1;havoc stopRequestedInDirection_~__cil_tmp7~1#1;havoc stopRequestedInDirection_~__cil_tmp8~2#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret102#1, isExecutiveFloorCalling_~retValue_acc~17#1;havoc isExecutiveFloorCalling_~retValue_acc~17#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~29#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~29#1; 162729#L2826-3 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~29#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~29#1; 164734#L2853-3 isExecutiveFloorCalling_#t~ret102#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~17#1 := isExecutiveFloorCalling_#t~ret102#1;havoc isExecutiveFloorCalling_#t~ret102#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~17#1; 164555#L1860-1 stopRequestedInDirection_#t~ret40#1 := isExecutiveFloorCalling_#res#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedInDirection_~tmp___0~5#1 := stopRequestedInDirection_#t~ret40#1;havoc stopRequestedInDirection_#t~ret40#1; 164556#L1099 assume 0 != stopRequestedInDirection_~tmp___0~5#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~1#1;havoc getCurrentFloorID_~retValue_acc~1#1;getCurrentFloorID_~retValue_acc~1#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~1#1; 166519#L507-3 stopRequestedInDirection_#t~ret41#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedInDirection_~tmp~9#1 := stopRequestedInDirection_#t~ret41#1;havoc stopRequestedInDirection_#t~ret41#1;stopRequestedInDirection_~__cil_tmp7~1#1 := (if 1 == stopRequestedInDirection_~dir#1 then 1 else 0);stopRequestedInDirection_~__cil_tmp8~2#1 := (if stopRequestedInDirection_~tmp~9#1 < ~executiveFloor~0 then 1 else 0);stopRequestedInDirection_~retValue_acc~10#1 := (if stopRequestedInDirection_~__cil_tmp8~2#1 == stopRequestedInDirection_~__cil_tmp7~1#1 then 1 else 0);stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~10#1; 161378#L1112 timeShift_#t~ret72#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret72#1;havoc timeShift_#t~ret72#1; 159079#L1496 assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret43#1, continueInDirection_~dir#1, continueInDirection_~tmp~10#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~10#1;~currentHeading~0 := continueInDirection_~dir#1; 159080#L1156 assume !(1 == ~currentHeading~0); 159133#L1166 assume !(0 == ~currentFloorID~0); 159134#L1166-2 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 163573#L1172-1 assume { :end_inline_continueInDirection } true; 167220#L1505-2 assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret5#1, __utac_acc__Specification13_spec__2_#t~ret6#1, __utac_acc__Specification13_spec__2_#t~ret7#1, __utac_acc__Specification13_spec__2_#t~ret8#1, __utac_acc__Specification13_spec__2_#t~ret9#1, __utac_acc__Specification13_spec__2_#t~ret10#1, __utac_acc__Specification13_spec__2_~tmp~0#1, __utac_acc__Specification13_spec__2_~tmp___0~0#1, __utac_acc__Specification13_spec__2_~tmp___1~0#1, __utac_acc__Specification13_spec__2_~tmp___2~0#1, __utac_acc__Specification13_spec__2_~tmp___3~0#1, __utac_acc__Specification13_spec__2_~tmp___4~0#1, __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1, __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1;havoc __utac_acc__Specification13_spec__2_~tmp~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___1~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___2~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___3~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___4~0#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1;__utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 := 2 * ~maximumWeight~0;__utac_acc__Specification13_spec__2_~__cil_tmp8~0#1 := (if __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 < 0 && 0 != __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 % 3 then 1 + __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 / 3 else __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 / 3); 161577#L108 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1; 161579#L109 assume !(1 == ~prevDir~0); 165586#L135 assume 0 == ~prevDir~0;assume { :begin_inline_existInLiftCallsInDirection } true;existInLiftCallsInDirection_#in~d#1 := 1;havoc existInLiftCallsInDirection_#res#1;havoc existInLiftCallsInDirection_~d#1, existInLiftCallsInDirection_~retValue_acc~16#1, existInLiftCallsInDirection_~i~2#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~16#1;havoc existInLiftCallsInDirection_~i~2#1;havoc existInLiftCallsInDirection_~i___0~0#1; 165851#L1700-2 assume 1 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i~2#1 := 0;existInLiftCallsInDirection_~i~2#1 := 1 + ~currentFloorID~0; 161806#L1704-8 [2021-12-16 09:50:25,198 INFO L793 eck$LassoCheckResult]: Loop: 161806#L1704-8 assume !false; 161807#L1705-2 assume existInLiftCallsInDirection_~i~2#1 < 5; 162396#L1706-2 assume !(0 == existInLiftCallsInDirection_~i~2#1); 163541#L1719-2 assume !(1 == existInLiftCallsInDirection_~i~2#1); 163543#L1728-2 assume !(2 == existInLiftCallsInDirection_~i~2#1); 163998#L1737-2 assume !(3 == existInLiftCallsInDirection_~i~2#1); 166786#L1746-2 assume !(4 == existInLiftCallsInDirection_~i~2#1); 164898#L1747-5 existInLiftCallsInDirection_~i~2#1 := 1 + existInLiftCallsInDirection_~i~2#1; 161806#L1704-8 [2021-12-16 09:50:25,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:50:25,199 INFO L85 PathProgramCache]: Analyzing trace with hash 1707394713, now seen corresponding path program 1 times [2021-12-16 09:50:25,199 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:50:25,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393765485] [2021-12-16 09:50:25,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:50:25,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:50:25,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:50:25,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 09:50:25,248 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 09:50:25,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393765485] [2021-12-16 09:50:25,248 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393765485] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 09:50:25,249 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 09:50:25,249 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-16 09:50:25,249 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620866498] [2021-12-16 09:50:25,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 09:50:25,249 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-16 09:50:25,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:50:25,250 INFO L85 PathProgramCache]: Analyzing trace with hash -1105989763, now seen corresponding path program 1 times [2021-12-16 09:50:25,250 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:50:25,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015329057] [2021-12-16 09:50:25,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:50:25,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:50:25,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:50:25,254 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:50:25,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:50:25,258 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:50:25,285 INFO L210 LassoAnalysis]: Preferences: [2021-12-16 09:50:25,285 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-16 09:50:25,285 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-16 09:50:25,285 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-16 09:50:25,286 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-16 09:50:25,286 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:50:25,286 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-16 09:50:25,286 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-16 09:50:25,286 INFO L133 ssoRankerPreferences]: Filename of dumped script: elevator_spec13_product23.cil.c_Iteration2_Loop [2021-12-16 09:50:25,286 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-16 09:50:25,286 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-16 09:50:25,287 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:50:25,317 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-16 09:50:25,318 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-16 09:50:25,318 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:50:25,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:50:25,332 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:50:25,333 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-16 09:50:25,335 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-16 09:50:25,335 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-16 09:50:25,371 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-12-16 09:50:25,371 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:50:25,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:50:25,372 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:50:25,381 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-16 09:50:25,383 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-16 09:50:25,383 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-16 09:50:25,416 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-16 09:50:25,418 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-12-16 09:50:25,419 INFO L210 LassoAnalysis]: Preferences: [2021-12-16 09:50:25,419 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-16 09:50:25,419 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-16 09:50:25,419 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-16 09:50:25,419 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-16 09:50:25,419 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:50:25,419 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-16 09:50:25,419 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-16 09:50:25,419 INFO L133 ssoRankerPreferences]: Filename of dumped script: elevator_spec13_product23.cil.c_Iteration2_Loop [2021-12-16 09:50:25,419 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-16 09:50:25,419 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-16 09:50:25,420 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:50:25,447 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-16 09:50:25,448 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-16 09:50:25,448 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:50:25,448 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:50:25,449 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:50:25,477 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-12-16 09:50:25,477 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 09:50:25,482 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:50:25,482 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:50:25,482 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:50:25,482 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:50:25,482 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:50:25,483 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 09:50:25,483 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:50:25,495 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-16 09:50:25,497 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2021-12-16 09:50:25,497 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-12-16 09:50:25,498 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:50:25,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:50:25,516 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:50:25,547 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-16 09:50:25,548 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-16 09:50:25,548 INFO L513 LassoAnalysis]: Proved termination. [2021-12-16 09:50:25,548 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_existInLiftCallsInDirection_~i~2#1) = -1*ULTIMATE.start_existInLiftCallsInDirection_~i~2#1 Supporting invariants [] [2021-12-16 09:50:25,553 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-12-16 09:50:25,565 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-12-16 09:50:25,566 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-12-16 09:50:25,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:50:25,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:50:25,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 626 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-16 09:50:25,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 09:50:25,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:50:25,815 WARN L261 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 9 conjunts are in the unsatisfiable core [2021-12-16 09:50:25,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 09:50:26,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 09:50:26,155 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 7 loop predicates [2021-12-16 09:50:26,155 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9454 states and 17619 transitions. cyclomatic complexity: 8199 Second operand has 9 states, 9 states have (on average 7.0) internal successors, (63), 9 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 09:50:26,175 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-12-16 09:50:29,272 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9454 states and 17619 transitions. cyclomatic complexity: 8199. Second operand has 9 states, 9 states have (on average 7.0) internal successors, (63), 9 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 99878 states and 187113 transitions. Complement of second has 17 states. [2021-12-16 09:50:29,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 1 stem states 7 non-accepting loop states 1 accepting loop states [2021-12-16 09:50:29,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 7.0) internal successors, (63), 9 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 09:50:29,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 95284 transitions. [2021-12-16 09:50:29,361 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 95284 transitions. Stem has 55 letters. Loop has 8 letters. [2021-12-16 09:50:29,362 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 09:50:29,362 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 95284 transitions. Stem has 63 letters. Loop has 8 letters. [2021-12-16 09:50:29,362 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 09:50:29,362 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 95284 transitions. Stem has 55 letters. Loop has 16 letters. [2021-12-16 09:50:29,362 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 09:50:29,363 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 99878 states and 187113 transitions. [2021-12-16 09:50:29,877 INFO L131 ngComponentsAnalysis]: Automaton has 66 accepting balls. 15168 [2021-12-16 09:50:30,121 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 99878 states to 58446 states and 109429 transitions. [2021-12-16 09:50:30,121 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 58397 [2021-12-16 09:50:30,160 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 58398 [2021-12-16 09:50:30,160 INFO L73 IsDeterministic]: Start isDeterministic. Operand 58446 states and 109429 transitions. [2021-12-16 09:50:30,169 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-16 09:50:30,169 INFO L681 BuchiCegarLoop]: Abstraction has 58446 states and 109429 transitions. [2021-12-16 09:50:30,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58446 states and 109429 transitions. [2021-12-16 09:50:30,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58446 to 9478. [2021-12-16 09:50:30,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9478 states, 9478 states have (on average 1.8629457691496096) internal successors, (17657), 9477 states have internal predecessors, (17657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 09:50:30,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9478 states to 9478 states and 17657 transitions. [2021-12-16 09:50:30,457 INFO L704 BuchiCegarLoop]: Abstraction has 9478 states and 17657 transitions. [2021-12-16 09:50:30,457 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 09:50:30,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-16 09:50:30,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-16 09:50:30,459 INFO L87 Difference]: Start difference. First operand 9478 states and 17657 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 09:50:31,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 09:50:31,054 INFO L93 Difference]: Finished difference Result 28217 states and 52541 transitions. [2021-12-16 09:50:31,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-16 09:50:31,055 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28217 states and 52541 transitions. [2021-12-16 09:50:31,182 INFO L131 ngComponentsAnalysis]: Automaton has 99 accepting balls. 7143 [2021-12-16 09:50:31,285 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28217 states to 28217 states and 52541 transitions. [2021-12-16 09:50:31,286 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28103 [2021-12-16 09:50:31,311 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28103 [2021-12-16 09:50:31,311 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28217 states and 52541 transitions. [2021-12-16 09:50:31,313 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-16 09:50:31,313 INFO L681 BuchiCegarLoop]: Abstraction has 28217 states and 52541 transitions. [2021-12-16 09:50:31,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28217 states and 52541 transitions. [2021-12-16 09:50:31,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28217 to 9493. [2021-12-16 09:50:31,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9493 states, 9493 states have (on average 1.8615822184767723) internal successors, (17672), 9492 states have internal predecessors, (17672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 09:50:31,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9493 states to 9493 states and 17672 transitions. [2021-12-16 09:50:31,526 INFO L704 BuchiCegarLoop]: Abstraction has 9493 states and 17672 transitions. [2021-12-16 09:50:31,526 INFO L587 BuchiCegarLoop]: Abstraction has 9493 states and 17672 transitions. [2021-12-16 09:50:31,526 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-16 09:50:31,526 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9493 states and 17672 transitions. [2021-12-16 09:50:31,553 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 2381 [2021-12-16 09:50:31,554 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 09:50:31,554 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 09:50:31,555 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 09:50:31,556 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-12-16 09:50:31,556 INFO L791 eck$LassoCheckResult]: Stem: 315303#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(32, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(10, 4);call #Ultimate.allocInit(4, 5);call write~init~int(91, 5, 0, 1);call write~init~int(95, 5, 1, 1);call write~init~int(93, 5, 2, 1);call write~init~int(0, 5, 3, 1);call #Ultimate.allocInit(4, 6);call write~init~int(91, 6, 0, 1);call write~init~int(93, 6, 1, 1);call write~init~int(32, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(5, 7);call write~init~int(32, 7, 0, 1);call write~init~int(97, 7, 1, 1);call write~init~int(116, 7, 2, 1);call write~init~int(32, 7, 3, 1);call write~init~int(0, 7, 4, 1);call #Ultimate.allocInit(3, 8);call write~init~int(37, 8, 0, 1);call write~init~int(105, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(10, 9);call #Ultimate.allocInit(3, 10);call write~init~int(117, 10, 0, 1);call write~init~int(112, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(5, 11);call write~init~int(100, 11, 0, 1);call write~init~int(111, 11, 1, 1);call write~init~int(119, 11, 2, 1);call write~init~int(110, 11, 3, 1);call write~init~int(0, 11, 4, 1);call #Ultimate.allocInit(7, 12);call write~init~int(32, 12, 0, 1);call write~init~int(73, 12, 1, 1);call write~init~int(76, 12, 2, 1);call write~init~int(95, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(4, 13);call write~init~int(32, 13, 0, 1);call write~init~int(37, 13, 1, 1);call write~init~int(105, 13, 2, 1);call write~init~int(0, 13, 3, 1);call #Ultimate.allocInit(4, 14);call write~init~int(32, 14, 0, 1);call write~init~int(37, 14, 1, 1);call write~init~int(105, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(4, 15);call write~init~int(32, 15, 0, 1);call write~init~int(37, 15, 1, 1);call write~init~int(105, 15, 2, 1);call write~init~int(0, 15, 3, 1);call #Ultimate.allocInit(4, 16);call write~init~int(32, 16, 0, 1);call write~init~int(37, 16, 1, 1);call write~init~int(105, 16, 2, 1);call write~init~int(0, 16, 3, 1);call #Ultimate.allocInit(4, 17);call write~init~int(32, 17, 0, 1);call write~init~int(37, 17, 1, 1);call write~init~int(105, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(6, 18);call write~init~int(32, 18, 0, 1);call write~init~int(70, 18, 1, 1);call write~init~int(95, 18, 2, 1);call write~init~int(112, 18, 3, 1);call write~init~int(58, 18, 4, 1);call write~init~int(0, 18, 5, 1);call #Ultimate.allocInit(4, 19);call write~init~int(32, 19, 0, 1);call write~init~int(37, 19, 1, 1);call write~init~int(105, 19, 2, 1);call write~init~int(0, 19, 3, 1);call #Ultimate.allocInit(4, 20);call write~init~int(32, 20, 0, 1);call write~init~int(37, 20, 1, 1);call write~init~int(105, 20, 2, 1);call write~init~int(0, 20, 3, 1);call #Ultimate.allocInit(4, 21);call write~init~int(32, 21, 0, 1);call write~init~int(37, 21, 1, 1);call write~init~int(105, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(4, 22);call write~init~int(32, 22, 0, 1);call write~init~int(37, 22, 1, 1);call write~init~int(105, 22, 2, 1);call write~init~int(0, 22, 3, 1);call #Ultimate.allocInit(4, 23);call write~init~int(32, 23, 0, 1);call write~init~int(37, 23, 1, 1);call write~init~int(105, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(2, 24);call write~init~int(10, 24, 0, 1);call write~init~int(0, 24, 1, 1);call #Ultimate.allocInit(30, 25);call #Ultimate.allocInit(9, 26);call #Ultimate.allocInit(21, 27);call #Ultimate.allocInit(30, 28);call #Ultimate.allocInit(9, 29);call #Ultimate.allocInit(21, 30);call #Ultimate.allocInit(30, 31);call #Ultimate.allocInit(9, 32);call #Ultimate.allocInit(25, 33);call #Ultimate.allocInit(30, 34);call #Ultimate.allocInit(9, 35);call #Ultimate.allocInit(25, 36);~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~prevDir~0 := 0;~cleanupTimeShifts~0 := 12;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~calls_0~0 := 0;~calls_1~0 := 0;~calls_2~0 := 0;~calls_3~0 := 0;~calls_4~0 := 0;~personOnFloor_0_0~0 := 0;~personOnFloor_0_1~0 := 0;~personOnFloor_0_2~0 := 0;~personOnFloor_0_3~0 := 0;~personOnFloor_0_4~0 := 0;~personOnFloor_1_0~0 := 0;~personOnFloor_1_1~0 := 0;~personOnFloor_1_2~0 := 0;~personOnFloor_1_3~0 := 0;~personOnFloor_1_4~0 := 0;~personOnFloor_2_0~0 := 0;~personOnFloor_2_1~0 := 0;~personOnFloor_2_2~0 := 0;~personOnFloor_2_3~0 := 0;~personOnFloor_2_4~0 := 0;~personOnFloor_3_0~0 := 0;~personOnFloor_3_1~0 := 0;~personOnFloor_3_2~0 := 0;~personOnFloor_3_3~0 := 0;~personOnFloor_3_4~0 := 0;~personOnFloor_4_0~0 := 0;~personOnFloor_4_1~0 := 0;~personOnFloor_4_2~0 := 0;~personOnFloor_4_3~0 := 0;~personOnFloor_4_4~0 := 0;~personOnFloor_5_0~0 := 0;~personOnFloor_5_1~0 := 0;~personOnFloor_5_2~0 := 0;~personOnFloor_5_3~0 := 0;~personOnFloor_5_4~0 := 0; 313480#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret116#1, main_~retValue_acc~23#1, main_~tmp~25#1;havoc main_~retValue_acc~23#1;havoc main_~tmp~25#1;assume { :begin_inline_select_helpers } true; 313149#L2731 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 313150#L2724 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~28#1;havoc valid_product_~retValue_acc~28#1;valid_product_~retValue_acc~28#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~28#1; 309950#L2739 main_#t~ret116#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~25#1 := main_#t~ret116#1;havoc main_#t~ret116#1; 309951#L2329 assume 0 != main_~tmp~25#1;assume { :begin_inline_setup } true; 315390#L2303 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;assume { :begin_inline_aliceCall } true;havoc aliceCall_#t~ret105#1, aliceCall_~tmp~18#1;havoc aliceCall_~tmp~18#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~20#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~20#1; 309643#L1917 assume !(0 == getOrigin_~person#1); 309644#L1921 assume !(1 == getOrigin_~person#1); 314886#L1925 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~20#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~20#1; 307767#L1942 aliceCall_#t~ret105#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~18#1 := aliceCall_#t~ret105#1;havoc aliceCall_#t~ret105#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~18#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 315581#L3097 assume 0 == initPersonOnFloor_~floor#1; 312623#L3098 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 307500#L3205-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 313643#L2889 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 309104#L2901-2 assume { :end_inline_callOnFloor } true; 314715#L3241 assume { :end_inline_initPersonOnFloor } true; 314716#L2064 assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret106#1, angelinaCall_~tmp~19#1;havoc angelinaCall_~tmp~19#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~20#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~20#1; 314844#L1917-1 assume !(0 == getOrigin_~person#1); 311431#L1921-1 assume !(1 == getOrigin_~person#1); 309459#L1925-1 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~20#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~20#1; 306949#L1942-1 angelinaCall_#t~ret106#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~19#1 := angelinaCall_#t~ret106#1;havoc angelinaCall_#t~ret106#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~19#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 314167#L3097-1 assume 0 == initPersonOnFloor_~floor#1; 312574#L3098-2 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 306393#L3205-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 310641#L2889-2 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 311353#L2901-5 assume { :end_inline_callOnFloor } true; 311696#L3241-1 assume { :end_inline_initPersonOnFloor } true; 311697#L2075 assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret65#1, timeShift_#t~ret66#1, timeShift_#t~ret67#1, timeShift_#t~ret68#1, timeShift_#t~ret69#1, timeShift_#t~ret70#1, timeShift_#t~ret71#1, timeShift_#t~ret72#1, timeShift_#t~ret73#1, timeShift_#t~ret74#1, timeShift_#t~ret75#1, timeShift_~tmp~15#1, timeShift_~tmp___0~10#1, timeShift_~tmp___1~6#1, timeShift_~tmp___2~4#1, timeShift_~tmp___3~4#1, timeShift_~tmp___4~3#1, timeShift_~tmp___5~2#1, timeShift_~tmp___6~2#1, timeShift_~tmp___7~2#1, timeShift_~tmp___8~2#1, timeShift_~tmp___9~2#1;havoc timeShift_~tmp~15#1;havoc timeShift_~tmp___0~10#1;havoc timeShift_~tmp___1~6#1;havoc timeShift_~tmp___2~4#1;havoc timeShift_~tmp___3~4#1;havoc timeShift_~tmp___4~3#1;havoc timeShift_~tmp___5~2#1;havoc timeShift_~tmp___6~2#1;havoc timeShift_~tmp___7~2#1;havoc timeShift_~tmp___8~2#1;havoc timeShift_~tmp___9~2#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret4#1;assume { :begin_inline_getCurrentHeading } true;havoc getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~4#1;havoc getCurrentHeading_~retValue_acc~4#1;getCurrentHeading_~retValue_acc~4#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~4#1; 311120#L559 __utac_acc__Specification13_spec__1_#t~ret4#1 := getCurrentHeading_#res#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret4#1;havoc __utac_acc__Specification13_spec__1_#t~ret4#1; 311121#L90 assume { :end_inline___utac_acc__Specification13_spec__1 } true;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret49#1, stopRequestedAtCurrentFloor_#t~ret50#1, stopRequestedAtCurrentFloor_#t~ret51#1, stopRequestedAtCurrentFloor_#t~ret52#1, stopRequestedAtCurrentFloor_~retValue_acc~14#1, stopRequestedAtCurrentFloor_~tmp~13#1, stopRequestedAtCurrentFloor_~tmp___0~8#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~14#1;havoc stopRequestedAtCurrentFloor_~tmp~13#1;havoc stopRequestedAtCurrentFloor_~tmp___0~8#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret102#1, isExecutiveFloorCalling_~retValue_acc~17#1;havoc isExecutiveFloorCalling_~retValue_acc~17#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~29#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~29#1; 315270#L2826 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~29#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~29#1; 307621#L2853 isExecutiveFloorCalling_#t~ret102#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~17#1 := isExecutiveFloorCalling_#t~ret102#1;havoc isExecutiveFloorCalling_#t~ret102#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~17#1; 307622#L1860 stopRequestedAtCurrentFloor_#t~ret49#1 := isExecutiveFloorCalling_#res#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedAtCurrentFloor_~tmp~13#1 := stopRequestedAtCurrentFloor_#t~ret49#1;havoc stopRequestedAtCurrentFloor_#t~ret49#1; 310846#L1244 assume 0 != stopRequestedAtCurrentFloor_~tmp~13#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~1#1;havoc getCurrentFloorID_~retValue_acc~1#1;getCurrentFloorID_~retValue_acc~1#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~1#1; 310848#L507 stopRequestedAtCurrentFloor_#t~ret50#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedAtCurrentFloor_~tmp___0~8#1 := stopRequestedAtCurrentFloor_#t~ret50#1;havoc stopRequestedAtCurrentFloor_#t~ret50#1; 313968#L1248 assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~8#1);stopRequestedAtCurrentFloor_~retValue_acc~14#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~14#1; 312853#L1261 timeShift_#t~ret65#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret65#1;havoc timeShift_#t~ret65#1; 313424#L1397 assume !(0 != timeShift_~tmp___9~2#1); 313142#L1488 assume 1 == ~doorState~0;~doorState~0 := 0; 309992#L1488-2 assume { :begin_inline_stopRequestedInDirection } true;stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1 := ~currentHeading~0, 1, 1;havoc stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~10#1, stopRequestedInDirection_~tmp~9#1, stopRequestedInDirection_~tmp___0~5#1, stopRequestedInDirection_~__cil_tmp7~1#1, stopRequestedInDirection_~__cil_tmp8~2#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~10#1;havoc stopRequestedInDirection_~tmp~9#1;havoc stopRequestedInDirection_~tmp___0~5#1;havoc stopRequestedInDirection_~__cil_tmp7~1#1;havoc stopRequestedInDirection_~__cil_tmp8~2#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret102#1, isExecutiveFloorCalling_~retValue_acc~17#1;havoc isExecutiveFloorCalling_~retValue_acc~17#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~29#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~29#1; 309993#L2826-3 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~29#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~29#1; 312004#L2853-3 isExecutiveFloorCalling_#t~ret102#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~17#1 := isExecutiveFloorCalling_#t~ret102#1;havoc isExecutiveFloorCalling_#t~ret102#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~17#1; 311825#L1860-1 stopRequestedInDirection_#t~ret40#1 := isExecutiveFloorCalling_#res#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedInDirection_~tmp___0~5#1 := stopRequestedInDirection_#t~ret40#1;havoc stopRequestedInDirection_#t~ret40#1; 311826#L1099 assume 0 != stopRequestedInDirection_~tmp___0~5#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~1#1;havoc getCurrentFloorID_~retValue_acc~1#1;getCurrentFloorID_~retValue_acc~1#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~1#1; 313792#L507-3 stopRequestedInDirection_#t~ret41#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedInDirection_~tmp~9#1 := stopRequestedInDirection_#t~ret41#1;havoc stopRequestedInDirection_#t~ret41#1;stopRequestedInDirection_~__cil_tmp7~1#1 := (if 1 == stopRequestedInDirection_~dir#1 then 1 else 0);stopRequestedInDirection_~__cil_tmp8~2#1 := (if stopRequestedInDirection_~tmp~9#1 < ~executiveFloor~0 then 1 else 0);stopRequestedInDirection_~retValue_acc~10#1 := (if stopRequestedInDirection_~__cil_tmp8~2#1 == stopRequestedInDirection_~__cil_tmp7~1#1 then 1 else 0);stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~10#1; 308638#L1112 timeShift_#t~ret72#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret72#1;havoc timeShift_#t~ret72#1; 306341#L1496 assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret43#1, continueInDirection_~dir#1, continueInDirection_~tmp~10#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~10#1;~currentHeading~0 := continueInDirection_~dir#1; 306342#L1156 assume !(1 == ~currentHeading~0); 306395#L1166 assume !(0 == ~currentFloorID~0); 306396#L1166-2 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 310840#L1172-1 assume { :end_inline_continueInDirection } true; 314498#L1505-2 assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret5#1, __utac_acc__Specification13_spec__2_#t~ret6#1, __utac_acc__Specification13_spec__2_#t~ret7#1, __utac_acc__Specification13_spec__2_#t~ret8#1, __utac_acc__Specification13_spec__2_#t~ret9#1, __utac_acc__Specification13_spec__2_#t~ret10#1, __utac_acc__Specification13_spec__2_~tmp~0#1, __utac_acc__Specification13_spec__2_~tmp___0~0#1, __utac_acc__Specification13_spec__2_~tmp___1~0#1, __utac_acc__Specification13_spec__2_~tmp___2~0#1, __utac_acc__Specification13_spec__2_~tmp___3~0#1, __utac_acc__Specification13_spec__2_~tmp___4~0#1, __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1, __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1;havoc __utac_acc__Specification13_spec__2_~tmp~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___1~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___2~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___3~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___4~0#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1;__utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 := 2 * ~maximumWeight~0;__utac_acc__Specification13_spec__2_~__cil_tmp8~0#1 := (if __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 < 0 && 0 != __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 % 3 then 1 + __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 / 3 else __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 / 3); 308837#L108 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1; 308839#L109 assume 1 == ~prevDir~0;assume { :begin_inline_existInLiftCallsInDirection } true;existInLiftCallsInDirection_#in~d#1 := 0;havoc existInLiftCallsInDirection_#res#1;havoc existInLiftCallsInDirection_~d#1, existInLiftCallsInDirection_~retValue_acc~16#1, existInLiftCallsInDirection_~i~2#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~16#1;havoc existInLiftCallsInDirection_~i~2#1;havoc existInLiftCallsInDirection_~i___0~0#1; 308071#L1700 assume !(1 == existInLiftCallsInDirection_~d#1); 308072#L1766 assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1; 313371#L1770-2 [2021-12-16 09:50:31,557 INFO L793 eck$LassoCheckResult]: Loop: 313371#L1770-2 assume !false; 309436#L1771 assume existInLiftCallsInDirection_~i___0~0#1 >= 0; 309437#L1772 existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0; 306298#L1779-2 assume !false; 312675#L1780 assume !(existInLiftCallsInDirection_~i___0~0#1 < 5); 312677#L1838 existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1; 313371#L1770-2 [2021-12-16 09:50:31,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:50:31,557 INFO L85 PathProgramCache]: Analyzing trace with hash 992492226, now seen corresponding path program 1 times [2021-12-16 09:50:31,558 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:50:31,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720070571] [2021-12-16 09:50:31,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:50:31,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:50:31,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:50:31,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 09:50:31,628 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 09:50:31,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720070571] [2021-12-16 09:50:31,629 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720070571] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 09:50:31,629 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 09:50:31,630 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 09:50:31,630 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467629273] [2021-12-16 09:50:31,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 09:50:31,630 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-16 09:50:31,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:50:31,631 INFO L85 PathProgramCache]: Analyzing trace with hash -1087190869, now seen corresponding path program 1 times [2021-12-16 09:50:31,631 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:50:31,631 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568847433] [2021-12-16 09:50:31,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:50:31,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:50:31,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:50:31,638 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:50:31,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:50:31,650 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:50:31,676 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 09:50:31,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 09:50:31,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 09:50:31,677 INFO L87 Difference]: Start difference. First operand 9493 states and 17672 transitions. cyclomatic complexity: 8214 Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 09:50:32,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 09:50:32,057 INFO L93 Difference]: Finished difference Result 18807 states and 35017 transitions. [2021-12-16 09:50:32,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 09:50:32,060 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18807 states and 35017 transitions. [2021-12-16 09:50:32,132 INFO L131 ngComponentsAnalysis]: Automaton has 66 accepting balls. 4762 [2021-12-16 09:50:32,190 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18807 states to 18807 states and 35017 transitions. [2021-12-16 09:50:32,190 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18731 [2021-12-16 09:50:32,206 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18731 [2021-12-16 09:50:32,207 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18807 states and 35017 transitions. [2021-12-16 09:50:32,218 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-16 09:50:32,218 INFO L681 BuchiCegarLoop]: Abstraction has 18807 states and 35017 transitions. [2021-12-16 09:50:32,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18807 states and 35017 transitions. [2021-12-16 09:50:32,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18807 to 9459. [2021-12-16 09:50:32,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9459 states, 9459 states have (on average 1.8610846812559467) internal successors, (17604), 9458 states have internal predecessors, (17604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 09:50:32,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9459 states to 9459 states and 17604 transitions. [2021-12-16 09:50:32,363 INFO L704 BuchiCegarLoop]: Abstraction has 9459 states and 17604 transitions. [2021-12-16 09:50:32,363 INFO L587 BuchiCegarLoop]: Abstraction has 9459 states and 17604 transitions. [2021-12-16 09:50:32,363 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-16 09:50:32,363 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9459 states and 17604 transitions. [2021-12-16 09:50:32,385 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 2381 [2021-12-16 09:50:32,386 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 09:50:32,386 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 09:50:32,387 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 09:50:32,387 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-12-16 09:50:32,387 INFO L791 eck$LassoCheckResult]: Stem: 343581#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(32, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(10, 4);call #Ultimate.allocInit(4, 5);call write~init~int(91, 5, 0, 1);call write~init~int(95, 5, 1, 1);call write~init~int(93, 5, 2, 1);call write~init~int(0, 5, 3, 1);call #Ultimate.allocInit(4, 6);call write~init~int(91, 6, 0, 1);call write~init~int(93, 6, 1, 1);call write~init~int(32, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(5, 7);call write~init~int(32, 7, 0, 1);call write~init~int(97, 7, 1, 1);call write~init~int(116, 7, 2, 1);call write~init~int(32, 7, 3, 1);call write~init~int(0, 7, 4, 1);call #Ultimate.allocInit(3, 8);call write~init~int(37, 8, 0, 1);call write~init~int(105, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(10, 9);call #Ultimate.allocInit(3, 10);call write~init~int(117, 10, 0, 1);call write~init~int(112, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(5, 11);call write~init~int(100, 11, 0, 1);call write~init~int(111, 11, 1, 1);call write~init~int(119, 11, 2, 1);call write~init~int(110, 11, 3, 1);call write~init~int(0, 11, 4, 1);call #Ultimate.allocInit(7, 12);call write~init~int(32, 12, 0, 1);call write~init~int(73, 12, 1, 1);call write~init~int(76, 12, 2, 1);call write~init~int(95, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(4, 13);call write~init~int(32, 13, 0, 1);call write~init~int(37, 13, 1, 1);call write~init~int(105, 13, 2, 1);call write~init~int(0, 13, 3, 1);call #Ultimate.allocInit(4, 14);call write~init~int(32, 14, 0, 1);call write~init~int(37, 14, 1, 1);call write~init~int(105, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(4, 15);call write~init~int(32, 15, 0, 1);call write~init~int(37, 15, 1, 1);call write~init~int(105, 15, 2, 1);call write~init~int(0, 15, 3, 1);call #Ultimate.allocInit(4, 16);call write~init~int(32, 16, 0, 1);call write~init~int(37, 16, 1, 1);call write~init~int(105, 16, 2, 1);call write~init~int(0, 16, 3, 1);call #Ultimate.allocInit(4, 17);call write~init~int(32, 17, 0, 1);call write~init~int(37, 17, 1, 1);call write~init~int(105, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(6, 18);call write~init~int(32, 18, 0, 1);call write~init~int(70, 18, 1, 1);call write~init~int(95, 18, 2, 1);call write~init~int(112, 18, 3, 1);call write~init~int(58, 18, 4, 1);call write~init~int(0, 18, 5, 1);call #Ultimate.allocInit(4, 19);call write~init~int(32, 19, 0, 1);call write~init~int(37, 19, 1, 1);call write~init~int(105, 19, 2, 1);call write~init~int(0, 19, 3, 1);call #Ultimate.allocInit(4, 20);call write~init~int(32, 20, 0, 1);call write~init~int(37, 20, 1, 1);call write~init~int(105, 20, 2, 1);call write~init~int(0, 20, 3, 1);call #Ultimate.allocInit(4, 21);call write~init~int(32, 21, 0, 1);call write~init~int(37, 21, 1, 1);call write~init~int(105, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(4, 22);call write~init~int(32, 22, 0, 1);call write~init~int(37, 22, 1, 1);call write~init~int(105, 22, 2, 1);call write~init~int(0, 22, 3, 1);call #Ultimate.allocInit(4, 23);call write~init~int(32, 23, 0, 1);call write~init~int(37, 23, 1, 1);call write~init~int(105, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(2, 24);call write~init~int(10, 24, 0, 1);call write~init~int(0, 24, 1, 1);call #Ultimate.allocInit(30, 25);call #Ultimate.allocInit(9, 26);call #Ultimate.allocInit(21, 27);call #Ultimate.allocInit(30, 28);call #Ultimate.allocInit(9, 29);call #Ultimate.allocInit(21, 30);call #Ultimate.allocInit(30, 31);call #Ultimate.allocInit(9, 32);call #Ultimate.allocInit(25, 33);call #Ultimate.allocInit(30, 34);call #Ultimate.allocInit(9, 35);call #Ultimate.allocInit(25, 36);~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~prevDir~0 := 0;~cleanupTimeShifts~0 := 12;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~calls_0~0 := 0;~calls_1~0 := 0;~calls_2~0 := 0;~calls_3~0 := 0;~calls_4~0 := 0;~personOnFloor_0_0~0 := 0;~personOnFloor_0_1~0 := 0;~personOnFloor_0_2~0 := 0;~personOnFloor_0_3~0 := 0;~personOnFloor_0_4~0 := 0;~personOnFloor_1_0~0 := 0;~personOnFloor_1_1~0 := 0;~personOnFloor_1_2~0 := 0;~personOnFloor_1_3~0 := 0;~personOnFloor_1_4~0 := 0;~personOnFloor_2_0~0 := 0;~personOnFloor_2_1~0 := 0;~personOnFloor_2_2~0 := 0;~personOnFloor_2_3~0 := 0;~personOnFloor_2_4~0 := 0;~personOnFloor_3_0~0 := 0;~personOnFloor_3_1~0 := 0;~personOnFloor_3_2~0 := 0;~personOnFloor_3_3~0 := 0;~personOnFloor_3_4~0 := 0;~personOnFloor_4_0~0 := 0;~personOnFloor_4_1~0 := 0;~personOnFloor_4_2~0 := 0;~personOnFloor_4_3~0 := 0;~personOnFloor_4_4~0 := 0;~personOnFloor_5_0~0 := 0;~personOnFloor_5_1~0 := 0;~personOnFloor_5_2~0 := 0;~personOnFloor_5_3~0 := 0;~personOnFloor_5_4~0 := 0; 341763#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret116#1, main_~retValue_acc~23#1, main_~tmp~25#1;havoc main_~retValue_acc~23#1;havoc main_~tmp~25#1;assume { :begin_inline_select_helpers } true; 341435#L2731 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 341436#L2724 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~28#1;havoc valid_product_~retValue_acc~28#1;valid_product_~retValue_acc~28#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~28#1; 338249#L2739 main_#t~ret116#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~25#1 := main_#t~ret116#1;havoc main_#t~ret116#1; 338250#L2329 assume 0 != main_~tmp~25#1;assume { :begin_inline_setup } true; 343668#L2303 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;assume { :begin_inline_aliceCall } true;havoc aliceCall_#t~ret105#1, aliceCall_~tmp~18#1;havoc aliceCall_~tmp~18#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~20#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~20#1; 337943#L1917 assume !(0 == getOrigin_~person#1); 337944#L1921 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~20#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~20#1; 343164#L1942 aliceCall_#t~ret105#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~18#1 := aliceCall_#t~ret105#1;havoc aliceCall_#t~ret105#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~18#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 343858#L3097 assume !(0 == initPersonOnFloor_~floor#1); 343773#L3124 assume !(1 == initPersonOnFloor_~floor#1); 335669#L3151 assume !(2 == initPersonOnFloor_~floor#1); 335670#L3178 assume 3 == initPersonOnFloor_~floor#1; 342020#L3179 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_3~0 := 1; 335806#L3205-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 341923#L2889 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 337406#L2901-2 assume { :end_inline_callOnFloor } true; 342994#L3241 assume { :end_inline_initPersonOnFloor } true; 342995#L2064 assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret106#1, angelinaCall_~tmp~19#1;havoc angelinaCall_~tmp~19#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~20#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~20#1; 343123#L1917-1 assume !(0 == getOrigin_~person#1); 339725#L1921-1 assume !(1 == getOrigin_~person#1); 337759#L1925-1 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~20#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~20#1; 335255#L1942-1 angelinaCall_#t~ret106#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~19#1 := angelinaCall_#t~ret106#1;havoc angelinaCall_#t~ret106#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~19#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 343896#L3097-1 assume 0 == initPersonOnFloor_~floor#1; 340866#L3098-2 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 334699#L3205-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 338939#L2889-2 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 339647#L2901-5 assume { :end_inline_callOnFloor } true; 339990#L3241-1 assume { :end_inline_initPersonOnFloor } true; 339991#L2075 assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret65#1, timeShift_#t~ret66#1, timeShift_#t~ret67#1, timeShift_#t~ret68#1, timeShift_#t~ret69#1, timeShift_#t~ret70#1, timeShift_#t~ret71#1, timeShift_#t~ret72#1, timeShift_#t~ret73#1, timeShift_#t~ret74#1, timeShift_#t~ret75#1, timeShift_~tmp~15#1, timeShift_~tmp___0~10#1, timeShift_~tmp___1~6#1, timeShift_~tmp___2~4#1, timeShift_~tmp___3~4#1, timeShift_~tmp___4~3#1, timeShift_~tmp___5~2#1, timeShift_~tmp___6~2#1, timeShift_~tmp___7~2#1, timeShift_~tmp___8~2#1, timeShift_~tmp___9~2#1;havoc timeShift_~tmp~15#1;havoc timeShift_~tmp___0~10#1;havoc timeShift_~tmp___1~6#1;havoc timeShift_~tmp___2~4#1;havoc timeShift_~tmp___3~4#1;havoc timeShift_~tmp___4~3#1;havoc timeShift_~tmp___5~2#1;havoc timeShift_~tmp___6~2#1;havoc timeShift_~tmp___7~2#1;havoc timeShift_~tmp___8~2#1;havoc timeShift_~tmp___9~2#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret4#1;assume { :begin_inline_getCurrentHeading } true;havoc getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~4#1;havoc getCurrentHeading_~retValue_acc~4#1;getCurrentHeading_~retValue_acc~4#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~4#1; 339416#L559 __utac_acc__Specification13_spec__1_#t~ret4#1 := getCurrentHeading_#res#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret4#1;havoc __utac_acc__Specification13_spec__1_#t~ret4#1; 339417#L90 assume { :end_inline___utac_acc__Specification13_spec__1 } true;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret49#1, stopRequestedAtCurrentFloor_#t~ret50#1, stopRequestedAtCurrentFloor_#t~ret51#1, stopRequestedAtCurrentFloor_#t~ret52#1, stopRequestedAtCurrentFloor_~retValue_acc~14#1, stopRequestedAtCurrentFloor_~tmp~13#1, stopRequestedAtCurrentFloor_~tmp___0~8#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~14#1;havoc stopRequestedAtCurrentFloor_~tmp~13#1;havoc stopRequestedAtCurrentFloor_~tmp___0~8#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret102#1, isExecutiveFloorCalling_~retValue_acc~17#1;havoc isExecutiveFloorCalling_~retValue_acc~17#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~29#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~29#1; 343549#L2826 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~29#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~29#1; 335927#L2853 isExecutiveFloorCalling_#t~ret102#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~17#1 := isExecutiveFloorCalling_#t~ret102#1;havoc isExecutiveFloorCalling_#t~ret102#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~17#1; 335928#L1860 stopRequestedAtCurrentFloor_#t~ret49#1 := isExecutiveFloorCalling_#res#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedAtCurrentFloor_~tmp~13#1 := stopRequestedAtCurrentFloor_#t~ret49#1;havoc stopRequestedAtCurrentFloor_#t~ret49#1; 339142#L1244 assume 0 != stopRequestedAtCurrentFloor_~tmp~13#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~1#1;havoc getCurrentFloorID_~retValue_acc~1#1;getCurrentFloorID_~retValue_acc~1#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~1#1; 339144#L507 stopRequestedAtCurrentFloor_#t~ret50#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedAtCurrentFloor_~tmp___0~8#1 := stopRequestedAtCurrentFloor_#t~ret50#1;havoc stopRequestedAtCurrentFloor_#t~ret50#1; 342248#L1248 assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~8#1);stopRequestedAtCurrentFloor_~retValue_acc~14#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~14#1; 341140#L1261 timeShift_#t~ret65#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret65#1;havoc timeShift_#t~ret65#1; 341707#L1397 assume !(0 != timeShift_~tmp___9~2#1); 341428#L1488 assume 1 == ~doorState~0;~doorState~0 := 0; 338293#L1488-2 assume { :begin_inline_stopRequestedInDirection } true;stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1 := ~currentHeading~0, 1, 1;havoc stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~10#1, stopRequestedInDirection_~tmp~9#1, stopRequestedInDirection_~tmp___0~5#1, stopRequestedInDirection_~__cil_tmp7~1#1, stopRequestedInDirection_~__cil_tmp8~2#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~10#1;havoc stopRequestedInDirection_~tmp~9#1;havoc stopRequestedInDirection_~tmp___0~5#1;havoc stopRequestedInDirection_~__cil_tmp7~1#1;havoc stopRequestedInDirection_~__cil_tmp8~2#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret102#1, isExecutiveFloorCalling_~retValue_acc~17#1;havoc isExecutiveFloorCalling_~retValue_acc~17#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~29#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~29#1; 338294#L2826-3 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~29#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~29#1; 340300#L2853-3 isExecutiveFloorCalling_#t~ret102#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~17#1 := isExecutiveFloorCalling_#t~ret102#1;havoc isExecutiveFloorCalling_#t~ret102#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~17#1; 340119#L1860-1 stopRequestedInDirection_#t~ret40#1 := isExecutiveFloorCalling_#res#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedInDirection_~tmp___0~5#1 := stopRequestedInDirection_#t~ret40#1;havoc stopRequestedInDirection_#t~ret40#1; 340120#L1099 assume 0 != stopRequestedInDirection_~tmp___0~5#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~1#1;havoc getCurrentFloorID_~retValue_acc~1#1;getCurrentFloorID_~retValue_acc~1#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~1#1; 342072#L507-3 stopRequestedInDirection_#t~ret41#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedInDirection_~tmp~9#1 := stopRequestedInDirection_#t~ret41#1;havoc stopRequestedInDirection_#t~ret41#1;stopRequestedInDirection_~__cil_tmp7~1#1 := (if 1 == stopRequestedInDirection_~dir#1 then 1 else 0);stopRequestedInDirection_~__cil_tmp8~2#1 := (if stopRequestedInDirection_~tmp~9#1 < ~executiveFloor~0 then 1 else 0);stopRequestedInDirection_~retValue_acc~10#1 := (if stopRequestedInDirection_~__cil_tmp8~2#1 == stopRequestedInDirection_~__cil_tmp7~1#1 then 1 else 0);stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~10#1; 336940#L1112 timeShift_#t~ret72#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret72#1;havoc timeShift_#t~ret72#1; 334647#L1496 assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret43#1, continueInDirection_~dir#1, continueInDirection_~tmp~10#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~10#1;~currentHeading~0 := continueInDirection_~dir#1; 334648#L1156 assume !(1 == ~currentHeading~0); 334701#L1166 assume !(0 == ~currentFloorID~0); 334702#L1166-2 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 339136#L1172-1 assume { :end_inline_continueInDirection } true; 342777#L1505-2 assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret5#1, __utac_acc__Specification13_spec__2_#t~ret6#1, __utac_acc__Specification13_spec__2_#t~ret7#1, __utac_acc__Specification13_spec__2_#t~ret8#1, __utac_acc__Specification13_spec__2_#t~ret9#1, __utac_acc__Specification13_spec__2_#t~ret10#1, __utac_acc__Specification13_spec__2_~tmp~0#1, __utac_acc__Specification13_spec__2_~tmp___0~0#1, __utac_acc__Specification13_spec__2_~tmp___1~0#1, __utac_acc__Specification13_spec__2_~tmp___2~0#1, __utac_acc__Specification13_spec__2_~tmp___3~0#1, __utac_acc__Specification13_spec__2_~tmp___4~0#1, __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1, __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1;havoc __utac_acc__Specification13_spec__2_~tmp~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___1~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___2~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___3~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___4~0#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1;__utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 := 2 * ~maximumWeight~0;__utac_acc__Specification13_spec__2_~__cil_tmp8~0#1 := (if __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 < 0 && 0 != __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 % 3 then 1 + __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 / 3 else __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 / 3); 337139#L108 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1; 337141#L109 assume 1 == ~prevDir~0;assume { :begin_inline_existInLiftCallsInDirection } true;existInLiftCallsInDirection_#in~d#1 := 0;havoc existInLiftCallsInDirection_#res#1;havoc existInLiftCallsInDirection_~d#1, existInLiftCallsInDirection_~retValue_acc~16#1, existInLiftCallsInDirection_~i~2#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~16#1;havoc existInLiftCallsInDirection_~i~2#1;havoc existInLiftCallsInDirection_~i___0~0#1; 336373#L1700 assume !(1 == existInLiftCallsInDirection_~d#1); 336374#L1766 assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1; 341657#L1770-2 [2021-12-16 09:50:32,387 INFO L793 eck$LassoCheckResult]: Loop: 341657#L1770-2 assume !false; 337736#L1771 assume existInLiftCallsInDirection_~i___0~0#1 >= 0; 337737#L1772 existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0; 334607#L1779-2 assume !false; 340965#L1780 assume !(existInLiftCallsInDirection_~i___0~0#1 < 5); 340967#L1838 existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1; 341657#L1770-2 [2021-12-16 09:50:32,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:50:32,388 INFO L85 PathProgramCache]: Analyzing trace with hash -1486168651, now seen corresponding path program 1 times [2021-12-16 09:50:32,388 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:50:32,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86441401] [2021-12-16 09:50:32,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:50:32,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:50:32,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:50:32,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 09:50:32,443 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 09:50:32,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86441401] [2021-12-16 09:50:32,445 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86441401] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 09:50:32,445 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 09:50:32,445 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 09:50:32,445 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973373188] [2021-12-16 09:50:32,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 09:50:32,446 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-16 09:50:32,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:50:32,446 INFO L85 PathProgramCache]: Analyzing trace with hash -1087190869, now seen corresponding path program 2 times [2021-12-16 09:50:32,446 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:50:32,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666354493] [2021-12-16 09:50:32,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:50:32,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:50:32,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:50:32,451 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:50:32,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:50:32,457 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:50:32,473 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 09:50:32,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 09:50:32,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-16 09:50:32,474 INFO L87 Difference]: Start difference. First operand 9459 states and 17604 transitions. cyclomatic complexity: 8180 Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 09:50:32,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 09:50:32,871 INFO L93 Difference]: Finished difference Result 13205 states and 24576 transitions. [2021-12-16 09:50:32,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-16 09:50:32,873 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13205 states and 24576 transitions. [2021-12-16 09:50:32,921 INFO L131 ngComponentsAnalysis]: Automaton has 42 accepting balls. 4394 [2021-12-16 09:50:32,958 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13205 states to 13205 states and 24576 transitions. [2021-12-16 09:50:32,958 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13167 [2021-12-16 09:50:32,966 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13167 [2021-12-16 09:50:32,966 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13205 states and 24576 transitions. [2021-12-16 09:50:32,967 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-16 09:50:32,967 INFO L681 BuchiCegarLoop]: Abstraction has 13205 states and 24576 transitions. [2021-12-16 09:50:32,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13205 states and 24576 transitions. [2021-12-16 09:50:33,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13205 to 9459. [2021-12-16 09:50:33,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9459 states, 9459 states have (on average 1.8604503647320012) internal successors, (17598), 9458 states have internal predecessors, (17598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 09:50:33,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9459 states to 9459 states and 17598 transitions. [2021-12-16 09:50:33,086 INFO L704 BuchiCegarLoop]: Abstraction has 9459 states and 17598 transitions. [2021-12-16 09:50:33,086 INFO L587 BuchiCegarLoop]: Abstraction has 9459 states and 17598 transitions. [2021-12-16 09:50:33,086 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-12-16 09:50:33,087 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9459 states and 17598 transitions. [2021-12-16 09:50:33,108 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 2381 [2021-12-16 09:50:33,108 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 09:50:33,108 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 09:50:33,109 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 09:50:33,109 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-12-16 09:50:33,109 INFO L791 eck$LassoCheckResult]: Stem: 366258#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(32, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(10, 4);call #Ultimate.allocInit(4, 5);call write~init~int(91, 5, 0, 1);call write~init~int(95, 5, 1, 1);call write~init~int(93, 5, 2, 1);call write~init~int(0, 5, 3, 1);call #Ultimate.allocInit(4, 6);call write~init~int(91, 6, 0, 1);call write~init~int(93, 6, 1, 1);call write~init~int(32, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(5, 7);call write~init~int(32, 7, 0, 1);call write~init~int(97, 7, 1, 1);call write~init~int(116, 7, 2, 1);call write~init~int(32, 7, 3, 1);call write~init~int(0, 7, 4, 1);call #Ultimate.allocInit(3, 8);call write~init~int(37, 8, 0, 1);call write~init~int(105, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(10, 9);call #Ultimate.allocInit(3, 10);call write~init~int(117, 10, 0, 1);call write~init~int(112, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(5, 11);call write~init~int(100, 11, 0, 1);call write~init~int(111, 11, 1, 1);call write~init~int(119, 11, 2, 1);call write~init~int(110, 11, 3, 1);call write~init~int(0, 11, 4, 1);call #Ultimate.allocInit(7, 12);call write~init~int(32, 12, 0, 1);call write~init~int(73, 12, 1, 1);call write~init~int(76, 12, 2, 1);call write~init~int(95, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(4, 13);call write~init~int(32, 13, 0, 1);call write~init~int(37, 13, 1, 1);call write~init~int(105, 13, 2, 1);call write~init~int(0, 13, 3, 1);call #Ultimate.allocInit(4, 14);call write~init~int(32, 14, 0, 1);call write~init~int(37, 14, 1, 1);call write~init~int(105, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(4, 15);call write~init~int(32, 15, 0, 1);call write~init~int(37, 15, 1, 1);call write~init~int(105, 15, 2, 1);call write~init~int(0, 15, 3, 1);call #Ultimate.allocInit(4, 16);call write~init~int(32, 16, 0, 1);call write~init~int(37, 16, 1, 1);call write~init~int(105, 16, 2, 1);call write~init~int(0, 16, 3, 1);call #Ultimate.allocInit(4, 17);call write~init~int(32, 17, 0, 1);call write~init~int(37, 17, 1, 1);call write~init~int(105, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(6, 18);call write~init~int(32, 18, 0, 1);call write~init~int(70, 18, 1, 1);call write~init~int(95, 18, 2, 1);call write~init~int(112, 18, 3, 1);call write~init~int(58, 18, 4, 1);call write~init~int(0, 18, 5, 1);call #Ultimate.allocInit(4, 19);call write~init~int(32, 19, 0, 1);call write~init~int(37, 19, 1, 1);call write~init~int(105, 19, 2, 1);call write~init~int(0, 19, 3, 1);call #Ultimate.allocInit(4, 20);call write~init~int(32, 20, 0, 1);call write~init~int(37, 20, 1, 1);call write~init~int(105, 20, 2, 1);call write~init~int(0, 20, 3, 1);call #Ultimate.allocInit(4, 21);call write~init~int(32, 21, 0, 1);call write~init~int(37, 21, 1, 1);call write~init~int(105, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(4, 22);call write~init~int(32, 22, 0, 1);call write~init~int(37, 22, 1, 1);call write~init~int(105, 22, 2, 1);call write~init~int(0, 22, 3, 1);call #Ultimate.allocInit(4, 23);call write~init~int(32, 23, 0, 1);call write~init~int(37, 23, 1, 1);call write~init~int(105, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(2, 24);call write~init~int(10, 24, 0, 1);call write~init~int(0, 24, 1, 1);call #Ultimate.allocInit(30, 25);call #Ultimate.allocInit(9, 26);call #Ultimate.allocInit(21, 27);call #Ultimate.allocInit(30, 28);call #Ultimate.allocInit(9, 29);call #Ultimate.allocInit(21, 30);call #Ultimate.allocInit(30, 31);call #Ultimate.allocInit(9, 32);call #Ultimate.allocInit(25, 33);call #Ultimate.allocInit(30, 34);call #Ultimate.allocInit(9, 35);call #Ultimate.allocInit(25, 36);~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~prevDir~0 := 0;~cleanupTimeShifts~0 := 12;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~calls_0~0 := 0;~calls_1~0 := 0;~calls_2~0 := 0;~calls_3~0 := 0;~calls_4~0 := 0;~personOnFloor_0_0~0 := 0;~personOnFloor_0_1~0 := 0;~personOnFloor_0_2~0 := 0;~personOnFloor_0_3~0 := 0;~personOnFloor_0_4~0 := 0;~personOnFloor_1_0~0 := 0;~personOnFloor_1_1~0 := 0;~personOnFloor_1_2~0 := 0;~personOnFloor_1_3~0 := 0;~personOnFloor_1_4~0 := 0;~personOnFloor_2_0~0 := 0;~personOnFloor_2_1~0 := 0;~personOnFloor_2_2~0 := 0;~personOnFloor_2_3~0 := 0;~personOnFloor_2_4~0 := 0;~personOnFloor_3_0~0 := 0;~personOnFloor_3_1~0 := 0;~personOnFloor_3_2~0 := 0;~personOnFloor_3_3~0 := 0;~personOnFloor_3_4~0 := 0;~personOnFloor_4_0~0 := 0;~personOnFloor_4_1~0 := 0;~personOnFloor_4_2~0 := 0;~personOnFloor_4_3~0 := 0;~personOnFloor_4_4~0 := 0;~personOnFloor_5_0~0 := 0;~personOnFloor_5_1~0 := 0;~personOnFloor_5_2~0 := 0;~personOnFloor_5_3~0 := 0;~personOnFloor_5_4~0 := 0; 364440#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret116#1, main_~retValue_acc~23#1, main_~tmp~25#1;havoc main_~retValue_acc~23#1;havoc main_~tmp~25#1;assume { :begin_inline_select_helpers } true; 364112#L2731 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 364113#L2724 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~28#1;havoc valid_product_~retValue_acc~28#1;valid_product_~retValue_acc~28#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~28#1; 360926#L2739 main_#t~ret116#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~25#1 := main_#t~ret116#1;havoc main_#t~ret116#1; 360927#L2329 assume 0 != main_~tmp~25#1;assume { :begin_inline_setup } true; 366345#L2303 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;assume { :begin_inline_aliceCall } true;havoc aliceCall_#t~ret105#1, aliceCall_~tmp~18#1;havoc aliceCall_~tmp~18#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~20#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~20#1; 360620#L1917 assume !(0 == getOrigin_~person#1); 360621#L1921 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~20#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~20#1; 365841#L1942 aliceCall_#t~ret105#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~18#1 := aliceCall_#t~ret105#1;havoc aliceCall_#t~ret105#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~18#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 366535#L3097 assume !(0 == initPersonOnFloor_~floor#1); 366450#L3124 assume !(1 == initPersonOnFloor_~floor#1); 358344#L3151 assume !(2 == initPersonOnFloor_~floor#1); 358345#L3178 assume 3 == initPersonOnFloor_~floor#1; 364697#L3179 assume !(0 == initPersonOnFloor_~person#1); 361195#L3182 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_3~0 := 1; 358483#L3205-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 364600#L2889 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 360083#L2901-2 assume { :end_inline_callOnFloor } true; 365671#L3241 assume { :end_inline_initPersonOnFloor } true; 365672#L2064 assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret106#1, angelinaCall_~tmp~19#1;havoc angelinaCall_~tmp~19#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~20#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~20#1; 365800#L1917-1 assume !(0 == getOrigin_~person#1); 362402#L1921-1 assume !(1 == getOrigin_~person#1); 360436#L1925-1 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~20#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~20#1; 357932#L1942-1 angelinaCall_#t~ret106#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~19#1 := angelinaCall_#t~ret106#1;havoc angelinaCall_#t~ret106#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~19#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 366577#L3097-1 assume 0 == initPersonOnFloor_~floor#1; 363543#L3098-2 assume !(0 == initPersonOnFloor_~person#1); 363406#L3101-2 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_0~0 := 1; 357376#L3205-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 361616#L2889-2 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 362324#L2901-5 assume { :end_inline_callOnFloor } true; 362667#L3241-1 assume { :end_inline_initPersonOnFloor } true; 362668#L2075 assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret65#1, timeShift_#t~ret66#1, timeShift_#t~ret67#1, timeShift_#t~ret68#1, timeShift_#t~ret69#1, timeShift_#t~ret70#1, timeShift_#t~ret71#1, timeShift_#t~ret72#1, timeShift_#t~ret73#1, timeShift_#t~ret74#1, timeShift_#t~ret75#1, timeShift_~tmp~15#1, timeShift_~tmp___0~10#1, timeShift_~tmp___1~6#1, timeShift_~tmp___2~4#1, timeShift_~tmp___3~4#1, timeShift_~tmp___4~3#1, timeShift_~tmp___5~2#1, timeShift_~tmp___6~2#1, timeShift_~tmp___7~2#1, timeShift_~tmp___8~2#1, timeShift_~tmp___9~2#1;havoc timeShift_~tmp~15#1;havoc timeShift_~tmp___0~10#1;havoc timeShift_~tmp___1~6#1;havoc timeShift_~tmp___2~4#1;havoc timeShift_~tmp___3~4#1;havoc timeShift_~tmp___4~3#1;havoc timeShift_~tmp___5~2#1;havoc timeShift_~tmp___6~2#1;havoc timeShift_~tmp___7~2#1;havoc timeShift_~tmp___8~2#1;havoc timeShift_~tmp___9~2#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret4#1;assume { :begin_inline_getCurrentHeading } true;havoc getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~4#1;havoc getCurrentHeading_~retValue_acc~4#1;getCurrentHeading_~retValue_acc~4#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~4#1; 362093#L559 __utac_acc__Specification13_spec__1_#t~ret4#1 := getCurrentHeading_#res#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret4#1;havoc __utac_acc__Specification13_spec__1_#t~ret4#1; 362094#L90 assume { :end_inline___utac_acc__Specification13_spec__1 } true;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret49#1, stopRequestedAtCurrentFloor_#t~ret50#1, stopRequestedAtCurrentFloor_#t~ret51#1, stopRequestedAtCurrentFloor_#t~ret52#1, stopRequestedAtCurrentFloor_~retValue_acc~14#1, stopRequestedAtCurrentFloor_~tmp~13#1, stopRequestedAtCurrentFloor_~tmp___0~8#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~14#1;havoc stopRequestedAtCurrentFloor_~tmp~13#1;havoc stopRequestedAtCurrentFloor_~tmp___0~8#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret102#1, isExecutiveFloorCalling_~retValue_acc~17#1;havoc isExecutiveFloorCalling_~retValue_acc~17#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~29#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~29#1; 366225#L2826 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~29#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~29#1; 358604#L2853 isExecutiveFloorCalling_#t~ret102#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~17#1 := isExecutiveFloorCalling_#t~ret102#1;havoc isExecutiveFloorCalling_#t~ret102#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~17#1; 358605#L1860 stopRequestedAtCurrentFloor_#t~ret49#1 := isExecutiveFloorCalling_#res#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedAtCurrentFloor_~tmp~13#1 := stopRequestedAtCurrentFloor_#t~ret49#1;havoc stopRequestedAtCurrentFloor_#t~ret49#1; 361819#L1244 assume 0 != stopRequestedAtCurrentFloor_~tmp~13#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~1#1;havoc getCurrentFloorID_~retValue_acc~1#1;getCurrentFloorID_~retValue_acc~1#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~1#1; 361821#L507 stopRequestedAtCurrentFloor_#t~ret50#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedAtCurrentFloor_~tmp___0~8#1 := stopRequestedAtCurrentFloor_#t~ret50#1;havoc stopRequestedAtCurrentFloor_#t~ret50#1; 364925#L1248 assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~8#1);stopRequestedAtCurrentFloor_~retValue_acc~14#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~14#1; 363817#L1261 timeShift_#t~ret65#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret65#1;havoc timeShift_#t~ret65#1; 364384#L1397 assume !(0 != timeShift_~tmp___9~2#1); 364105#L1488 assume 1 == ~doorState~0;~doorState~0 := 0; 360968#L1488-2 assume { :begin_inline_stopRequestedInDirection } true;stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1 := ~currentHeading~0, 1, 1;havoc stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~10#1, stopRequestedInDirection_~tmp~9#1, stopRequestedInDirection_~tmp___0~5#1, stopRequestedInDirection_~__cil_tmp7~1#1, stopRequestedInDirection_~__cil_tmp8~2#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~10#1;havoc stopRequestedInDirection_~tmp~9#1;havoc stopRequestedInDirection_~tmp___0~5#1;havoc stopRequestedInDirection_~__cil_tmp7~1#1;havoc stopRequestedInDirection_~__cil_tmp8~2#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret102#1, isExecutiveFloorCalling_~retValue_acc~17#1;havoc isExecutiveFloorCalling_~retValue_acc~17#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~29#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~29#1; 360969#L2826-3 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~29#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~29#1; 362975#L2853-3 isExecutiveFloorCalling_#t~ret102#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~17#1 := isExecutiveFloorCalling_#t~ret102#1;havoc isExecutiveFloorCalling_#t~ret102#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~17#1; 362796#L1860-1 stopRequestedInDirection_#t~ret40#1 := isExecutiveFloorCalling_#res#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedInDirection_~tmp___0~5#1 := stopRequestedInDirection_#t~ret40#1;havoc stopRequestedInDirection_#t~ret40#1; 362797#L1099 assume 0 != stopRequestedInDirection_~tmp___0~5#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~1#1;havoc getCurrentFloorID_~retValue_acc~1#1;getCurrentFloorID_~retValue_acc~1#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~1#1; 364749#L507-3 stopRequestedInDirection_#t~ret41#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedInDirection_~tmp~9#1 := stopRequestedInDirection_#t~ret41#1;havoc stopRequestedInDirection_#t~ret41#1;stopRequestedInDirection_~__cil_tmp7~1#1 := (if 1 == stopRequestedInDirection_~dir#1 then 1 else 0);stopRequestedInDirection_~__cil_tmp8~2#1 := (if stopRequestedInDirection_~tmp~9#1 < ~executiveFloor~0 then 1 else 0);stopRequestedInDirection_~retValue_acc~10#1 := (if stopRequestedInDirection_~__cil_tmp8~2#1 == stopRequestedInDirection_~__cil_tmp7~1#1 then 1 else 0);stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~10#1; 359617#L1112 timeShift_#t~ret72#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret72#1;havoc timeShift_#t~ret72#1; 357324#L1496 assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret43#1, continueInDirection_~dir#1, continueInDirection_~tmp~10#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~10#1;~currentHeading~0 := continueInDirection_~dir#1; 357325#L1156 assume !(1 == ~currentHeading~0); 357378#L1166 assume !(0 == ~currentFloorID~0); 357379#L1166-2 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 361813#L1172-1 assume { :end_inline_continueInDirection } true; 365454#L1505-2 assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret5#1, __utac_acc__Specification13_spec__2_#t~ret6#1, __utac_acc__Specification13_spec__2_#t~ret7#1, __utac_acc__Specification13_spec__2_#t~ret8#1, __utac_acc__Specification13_spec__2_#t~ret9#1, __utac_acc__Specification13_spec__2_#t~ret10#1, __utac_acc__Specification13_spec__2_~tmp~0#1, __utac_acc__Specification13_spec__2_~tmp___0~0#1, __utac_acc__Specification13_spec__2_~tmp___1~0#1, __utac_acc__Specification13_spec__2_~tmp___2~0#1, __utac_acc__Specification13_spec__2_~tmp___3~0#1, __utac_acc__Specification13_spec__2_~tmp___4~0#1, __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1, __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1;havoc __utac_acc__Specification13_spec__2_~tmp~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___1~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___2~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___3~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___4~0#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1;__utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 := 2 * ~maximumWeight~0;__utac_acc__Specification13_spec__2_~__cil_tmp8~0#1 := (if __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 < 0 && 0 != __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 % 3 then 1 + __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 / 3 else __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 / 3); 359816#L108 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1; 359818#L109 assume 1 == ~prevDir~0;assume { :begin_inline_existInLiftCallsInDirection } true;existInLiftCallsInDirection_#in~d#1 := 0;havoc existInLiftCallsInDirection_#res#1;havoc existInLiftCallsInDirection_~d#1, existInLiftCallsInDirection_~retValue_acc~16#1, existInLiftCallsInDirection_~i~2#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~16#1;havoc existInLiftCallsInDirection_~i~2#1;havoc existInLiftCallsInDirection_~i___0~0#1; 359050#L1700 assume !(1 == existInLiftCallsInDirection_~d#1); 359051#L1766 assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1; 364334#L1770-2 [2021-12-16 09:50:33,110 INFO L793 eck$LassoCheckResult]: Loop: 364334#L1770-2 assume !false; 360413#L1771 assume existInLiftCallsInDirection_~i___0~0#1 >= 0; 360414#L1772 existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0; 357281#L1779-2 assume !false; 363642#L1780 assume !(existInLiftCallsInDirection_~i___0~0#1 < 5); 363644#L1838 existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1; 364334#L1770-2 [2021-12-16 09:50:33,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:50:33,110 INFO L85 PathProgramCache]: Analyzing trace with hash -1146851719, now seen corresponding path program 1 times [2021-12-16 09:50:33,110 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:50:33,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021351272] [2021-12-16 09:50:33,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:50:33,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:50:33,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:50:33,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 09:50:33,140 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 09:50:33,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021351272] [2021-12-16 09:50:33,140 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021351272] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 09:50:33,140 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 09:50:33,140 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-16 09:50:33,141 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514796718] [2021-12-16 09:50:33,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 09:50:33,141 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-16 09:50:33,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:50:33,141 INFO L85 PathProgramCache]: Analyzing trace with hash -1087190869, now seen corresponding path program 3 times [2021-12-16 09:50:33,141 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:50:33,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915664280] [2021-12-16 09:50:33,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:50:33,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:50:33,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:50:33,145 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:50:33,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:50:33,148 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:50:33,160 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 09:50:33,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-16 09:50:33,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-16 09:50:33,161 INFO L87 Difference]: Start difference. First operand 9459 states and 17598 transitions. cyclomatic complexity: 8174 Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 09:50:33,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 09:50:33,657 INFO L93 Difference]: Finished difference Result 28176 states and 52455 transitions. [2021-12-16 09:50:33,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-16 09:50:33,658 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28176 states and 52455 transitions. [2021-12-16 09:50:33,763 INFO L131 ngComponentsAnalysis]: Automaton has 99 accepting balls. 7143 [2021-12-16 09:50:33,848 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28176 states to 28176 states and 52455 transitions. [2021-12-16 09:50:33,848 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28062 [2021-12-16 09:50:33,872 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28062 [2021-12-16 09:50:33,873 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28176 states and 52455 transitions. [2021-12-16 09:50:33,877 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-16 09:50:33,877 INFO L681 BuchiCegarLoop]: Abstraction has 28176 states and 52455 transitions. [2021-12-16 09:50:33,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28176 states and 52455 transitions. [2021-12-16 09:50:34,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28176 to 9463. [2021-12-16 09:50:34,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9463 states, 9463 states have (on average 1.8599809785480292) internal successors, (17601), 9462 states have internal predecessors, (17601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 09:50:34,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9463 states to 9463 states and 17601 transitions. [2021-12-16 09:50:34,058 INFO L704 BuchiCegarLoop]: Abstraction has 9463 states and 17601 transitions. [2021-12-16 09:50:34,058 INFO L587 BuchiCegarLoop]: Abstraction has 9463 states and 17601 transitions. [2021-12-16 09:50:34,059 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-12-16 09:50:34,059 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9463 states and 17601 transitions. [2021-12-16 09:50:34,081 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 2381 [2021-12-16 09:50:34,081 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 09:50:34,081 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 09:50:34,082 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 09:50:34,082 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-12-16 09:50:34,082 INFO L791 eck$LassoCheckResult]: Stem: 403906#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(32, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(10, 4);call #Ultimate.allocInit(4, 5);call write~init~int(91, 5, 0, 1);call write~init~int(95, 5, 1, 1);call write~init~int(93, 5, 2, 1);call write~init~int(0, 5, 3, 1);call #Ultimate.allocInit(4, 6);call write~init~int(91, 6, 0, 1);call write~init~int(93, 6, 1, 1);call write~init~int(32, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(5, 7);call write~init~int(32, 7, 0, 1);call write~init~int(97, 7, 1, 1);call write~init~int(116, 7, 2, 1);call write~init~int(32, 7, 3, 1);call write~init~int(0, 7, 4, 1);call #Ultimate.allocInit(3, 8);call write~init~int(37, 8, 0, 1);call write~init~int(105, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(10, 9);call #Ultimate.allocInit(3, 10);call write~init~int(117, 10, 0, 1);call write~init~int(112, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(5, 11);call write~init~int(100, 11, 0, 1);call write~init~int(111, 11, 1, 1);call write~init~int(119, 11, 2, 1);call write~init~int(110, 11, 3, 1);call write~init~int(0, 11, 4, 1);call #Ultimate.allocInit(7, 12);call write~init~int(32, 12, 0, 1);call write~init~int(73, 12, 1, 1);call write~init~int(76, 12, 2, 1);call write~init~int(95, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(4, 13);call write~init~int(32, 13, 0, 1);call write~init~int(37, 13, 1, 1);call write~init~int(105, 13, 2, 1);call write~init~int(0, 13, 3, 1);call #Ultimate.allocInit(4, 14);call write~init~int(32, 14, 0, 1);call write~init~int(37, 14, 1, 1);call write~init~int(105, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(4, 15);call write~init~int(32, 15, 0, 1);call write~init~int(37, 15, 1, 1);call write~init~int(105, 15, 2, 1);call write~init~int(0, 15, 3, 1);call #Ultimate.allocInit(4, 16);call write~init~int(32, 16, 0, 1);call write~init~int(37, 16, 1, 1);call write~init~int(105, 16, 2, 1);call write~init~int(0, 16, 3, 1);call #Ultimate.allocInit(4, 17);call write~init~int(32, 17, 0, 1);call write~init~int(37, 17, 1, 1);call write~init~int(105, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(6, 18);call write~init~int(32, 18, 0, 1);call write~init~int(70, 18, 1, 1);call write~init~int(95, 18, 2, 1);call write~init~int(112, 18, 3, 1);call write~init~int(58, 18, 4, 1);call write~init~int(0, 18, 5, 1);call #Ultimate.allocInit(4, 19);call write~init~int(32, 19, 0, 1);call write~init~int(37, 19, 1, 1);call write~init~int(105, 19, 2, 1);call write~init~int(0, 19, 3, 1);call #Ultimate.allocInit(4, 20);call write~init~int(32, 20, 0, 1);call write~init~int(37, 20, 1, 1);call write~init~int(105, 20, 2, 1);call write~init~int(0, 20, 3, 1);call #Ultimate.allocInit(4, 21);call write~init~int(32, 21, 0, 1);call write~init~int(37, 21, 1, 1);call write~init~int(105, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(4, 22);call write~init~int(32, 22, 0, 1);call write~init~int(37, 22, 1, 1);call write~init~int(105, 22, 2, 1);call write~init~int(0, 22, 3, 1);call #Ultimate.allocInit(4, 23);call write~init~int(32, 23, 0, 1);call write~init~int(37, 23, 1, 1);call write~init~int(105, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(2, 24);call write~init~int(10, 24, 0, 1);call write~init~int(0, 24, 1, 1);call #Ultimate.allocInit(30, 25);call #Ultimate.allocInit(9, 26);call #Ultimate.allocInit(21, 27);call #Ultimate.allocInit(30, 28);call #Ultimate.allocInit(9, 29);call #Ultimate.allocInit(21, 30);call #Ultimate.allocInit(30, 31);call #Ultimate.allocInit(9, 32);call #Ultimate.allocInit(25, 33);call #Ultimate.allocInit(30, 34);call #Ultimate.allocInit(9, 35);call #Ultimate.allocInit(25, 36);~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~prevDir~0 := 0;~cleanupTimeShifts~0 := 12;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~calls_0~0 := 0;~calls_1~0 := 0;~calls_2~0 := 0;~calls_3~0 := 0;~calls_4~0 := 0;~personOnFloor_0_0~0 := 0;~personOnFloor_0_1~0 := 0;~personOnFloor_0_2~0 := 0;~personOnFloor_0_3~0 := 0;~personOnFloor_0_4~0 := 0;~personOnFloor_1_0~0 := 0;~personOnFloor_1_1~0 := 0;~personOnFloor_1_2~0 := 0;~personOnFloor_1_3~0 := 0;~personOnFloor_1_4~0 := 0;~personOnFloor_2_0~0 := 0;~personOnFloor_2_1~0 := 0;~personOnFloor_2_2~0 := 0;~personOnFloor_2_3~0 := 0;~personOnFloor_2_4~0 := 0;~personOnFloor_3_0~0 := 0;~personOnFloor_3_1~0 := 0;~personOnFloor_3_2~0 := 0;~personOnFloor_3_3~0 := 0;~personOnFloor_3_4~0 := 0;~personOnFloor_4_0~0 := 0;~personOnFloor_4_1~0 := 0;~personOnFloor_4_2~0 := 0;~personOnFloor_4_3~0 := 0;~personOnFloor_4_4~0 := 0;~personOnFloor_5_0~0 := 0;~personOnFloor_5_1~0 := 0;~personOnFloor_5_2~0 := 0;~personOnFloor_5_3~0 := 0;~personOnFloor_5_4~0 := 0; 402087#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret116#1, main_~retValue_acc~23#1, main_~tmp~25#1;havoc main_~retValue_acc~23#1;havoc main_~tmp~25#1;assume { :begin_inline_select_helpers } true; 401759#L2731 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 401760#L2724 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~28#1;havoc valid_product_~retValue_acc~28#1;valid_product_~retValue_acc~28#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~28#1; 398572#L2739 main_#t~ret116#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~25#1 := main_#t~ret116#1;havoc main_#t~ret116#1; 398573#L2329 assume 0 != main_~tmp~25#1;assume { :begin_inline_setup } true; 403993#L2303 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;assume { :begin_inline_aliceCall } true;havoc aliceCall_#t~ret105#1, aliceCall_~tmp~18#1;havoc aliceCall_~tmp~18#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~20#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~20#1; 398266#L1917 assume !(0 == getOrigin_~person#1); 398267#L1921 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~20#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~20#1; 403488#L1942 aliceCall_#t~ret105#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~18#1 := aliceCall_#t~ret105#1;havoc aliceCall_#t~ret105#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~18#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 404183#L3097 assume !(0 == initPersonOnFloor_~floor#1); 404098#L3124 assume !(1 == initPersonOnFloor_~floor#1); 395989#L3151 assume !(2 == initPersonOnFloor_~floor#1); 395990#L3178 assume 3 == initPersonOnFloor_~floor#1; 402344#L3179 assume !(0 == initPersonOnFloor_~person#1); 398841#L3182 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_3~0 := 1; 396128#L3205-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 402247#L2889 assume !(0 == callOnFloor_~floorID#1); 397728#L2892 assume 1 == callOnFloor_~floorID#1;~calls_1~0 := 1; 397729#L2901-2 assume { :end_inline_callOnFloor } true; 403318#L3241 assume { :end_inline_initPersonOnFloor } true; 403319#L2064 assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret106#1, angelinaCall_~tmp~19#1;havoc angelinaCall_~tmp~19#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~20#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~20#1; 403447#L1917-1 assume !(0 == getOrigin_~person#1); 400048#L1921-1 assume !(1 == getOrigin_~person#1); 398082#L1925-1 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~20#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~20#1; 395576#L1942-1 angelinaCall_#t~ret106#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~19#1 := angelinaCall_#t~ret106#1;havoc angelinaCall_#t~ret106#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~19#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 404220#L3097-1 assume 0 == initPersonOnFloor_~floor#1; 401190#L3098-2 assume !(0 == initPersonOnFloor_~person#1); 401053#L3101-2 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_0~0 := 1; 395020#L3205-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 399262#L2889-2 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 400900#L2901-5 assume { :end_inline_callOnFloor } true; 400313#L3241-1 assume { :end_inline_initPersonOnFloor } true; 400314#L2075 assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret65#1, timeShift_#t~ret66#1, timeShift_#t~ret67#1, timeShift_#t~ret68#1, timeShift_#t~ret69#1, timeShift_#t~ret70#1, timeShift_#t~ret71#1, timeShift_#t~ret72#1, timeShift_#t~ret73#1, timeShift_#t~ret74#1, timeShift_#t~ret75#1, timeShift_~tmp~15#1, timeShift_~tmp___0~10#1, timeShift_~tmp___1~6#1, timeShift_~tmp___2~4#1, timeShift_~tmp___3~4#1, timeShift_~tmp___4~3#1, timeShift_~tmp___5~2#1, timeShift_~tmp___6~2#1, timeShift_~tmp___7~2#1, timeShift_~tmp___8~2#1, timeShift_~tmp___9~2#1;havoc timeShift_~tmp~15#1;havoc timeShift_~tmp___0~10#1;havoc timeShift_~tmp___1~6#1;havoc timeShift_~tmp___2~4#1;havoc timeShift_~tmp___3~4#1;havoc timeShift_~tmp___4~3#1;havoc timeShift_~tmp___5~2#1;havoc timeShift_~tmp___6~2#1;havoc timeShift_~tmp___7~2#1;havoc timeShift_~tmp___8~2#1;havoc timeShift_~tmp___9~2#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret4#1;assume { :begin_inline_getCurrentHeading } true;havoc getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~4#1;havoc getCurrentHeading_~retValue_acc~4#1;getCurrentHeading_~retValue_acc~4#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~4#1; 399739#L559 __utac_acc__Specification13_spec__1_#t~ret4#1 := getCurrentHeading_#res#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret4#1;havoc __utac_acc__Specification13_spec__1_#t~ret4#1; 399740#L90 assume { :end_inline___utac_acc__Specification13_spec__1 } true;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret49#1, stopRequestedAtCurrentFloor_#t~ret50#1, stopRequestedAtCurrentFloor_#t~ret51#1, stopRequestedAtCurrentFloor_#t~ret52#1, stopRequestedAtCurrentFloor_~retValue_acc~14#1, stopRequestedAtCurrentFloor_~tmp~13#1, stopRequestedAtCurrentFloor_~tmp___0~8#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~14#1;havoc stopRequestedAtCurrentFloor_~tmp~13#1;havoc stopRequestedAtCurrentFloor_~tmp___0~8#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret102#1, isExecutiveFloorCalling_~retValue_acc~17#1;havoc isExecutiveFloorCalling_~retValue_acc~17#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~29#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~29#1; 403874#L2826 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~29#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~29#1; 396249#L2853 isExecutiveFloorCalling_#t~ret102#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~17#1 := isExecutiveFloorCalling_#t~ret102#1;havoc isExecutiveFloorCalling_#t~ret102#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~17#1; 396250#L1860 stopRequestedAtCurrentFloor_#t~ret49#1 := isExecutiveFloorCalling_#res#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedAtCurrentFloor_~tmp~13#1 := stopRequestedAtCurrentFloor_#t~ret49#1;havoc stopRequestedAtCurrentFloor_#t~ret49#1; 399465#L1244 assume 0 != stopRequestedAtCurrentFloor_~tmp~13#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~1#1;havoc getCurrentFloorID_~retValue_acc~1#1;getCurrentFloorID_~retValue_acc~1#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~1#1; 399467#L507 stopRequestedAtCurrentFloor_#t~ret50#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedAtCurrentFloor_~tmp___0~8#1 := stopRequestedAtCurrentFloor_#t~ret50#1;havoc stopRequestedAtCurrentFloor_#t~ret50#1; 402572#L1248 assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~8#1);stopRequestedAtCurrentFloor_~retValue_acc~14#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~14#1; 401464#L1261 timeShift_#t~ret65#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret65#1;havoc timeShift_#t~ret65#1; 402031#L1397 assume !(0 != timeShift_~tmp___9~2#1); 401752#L1488 assume 1 == ~doorState~0;~doorState~0 := 0; 398614#L1488-2 assume { :begin_inline_stopRequestedInDirection } true;stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1 := ~currentHeading~0, 1, 1;havoc stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~10#1, stopRequestedInDirection_~tmp~9#1, stopRequestedInDirection_~tmp___0~5#1, stopRequestedInDirection_~__cil_tmp7~1#1, stopRequestedInDirection_~__cil_tmp8~2#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~10#1;havoc stopRequestedInDirection_~tmp~9#1;havoc stopRequestedInDirection_~tmp___0~5#1;havoc stopRequestedInDirection_~__cil_tmp7~1#1;havoc stopRequestedInDirection_~__cil_tmp8~2#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret102#1, isExecutiveFloorCalling_~retValue_acc~17#1;havoc isExecutiveFloorCalling_~retValue_acc~17#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~29#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~29#1; 398615#L2826-3 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~29#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~29#1; 400621#L2853-3 isExecutiveFloorCalling_#t~ret102#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~17#1 := isExecutiveFloorCalling_#t~ret102#1;havoc isExecutiveFloorCalling_#t~ret102#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~17#1; 400442#L1860-1 stopRequestedInDirection_#t~ret40#1 := isExecutiveFloorCalling_#res#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedInDirection_~tmp___0~5#1 := stopRequestedInDirection_#t~ret40#1;havoc stopRequestedInDirection_#t~ret40#1; 400443#L1099 assume 0 != stopRequestedInDirection_~tmp___0~5#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~1#1;havoc getCurrentFloorID_~retValue_acc~1#1;getCurrentFloorID_~retValue_acc~1#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~1#1; 402396#L507-3 stopRequestedInDirection_#t~ret41#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedInDirection_~tmp~9#1 := stopRequestedInDirection_#t~ret41#1;havoc stopRequestedInDirection_#t~ret41#1;stopRequestedInDirection_~__cil_tmp7~1#1 := (if 1 == stopRequestedInDirection_~dir#1 then 1 else 0);stopRequestedInDirection_~__cil_tmp8~2#1 := (if stopRequestedInDirection_~tmp~9#1 < ~executiveFloor~0 then 1 else 0);stopRequestedInDirection_~retValue_acc~10#1 := (if stopRequestedInDirection_~__cil_tmp8~2#1 == stopRequestedInDirection_~__cil_tmp7~1#1 then 1 else 0);stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~10#1; 397262#L1112 timeShift_#t~ret72#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret72#1;havoc timeShift_#t~ret72#1; 394968#L1496 assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret43#1, continueInDirection_~dir#1, continueInDirection_~tmp~10#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~10#1;~currentHeading~0 := continueInDirection_~dir#1; 394969#L1156 assume !(1 == ~currentHeading~0); 395022#L1166 assume !(0 == ~currentFloorID~0); 395023#L1166-2 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 399459#L1172-1 assume { :end_inline_continueInDirection } true; 403101#L1505-2 assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret5#1, __utac_acc__Specification13_spec__2_#t~ret6#1, __utac_acc__Specification13_spec__2_#t~ret7#1, __utac_acc__Specification13_spec__2_#t~ret8#1, __utac_acc__Specification13_spec__2_#t~ret9#1, __utac_acc__Specification13_spec__2_#t~ret10#1, __utac_acc__Specification13_spec__2_~tmp~0#1, __utac_acc__Specification13_spec__2_~tmp___0~0#1, __utac_acc__Specification13_spec__2_~tmp___1~0#1, __utac_acc__Specification13_spec__2_~tmp___2~0#1, __utac_acc__Specification13_spec__2_~tmp___3~0#1, __utac_acc__Specification13_spec__2_~tmp___4~0#1, __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1, __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1;havoc __utac_acc__Specification13_spec__2_~tmp~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___1~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___2~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___3~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___4~0#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1;__utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 := 2 * ~maximumWeight~0;__utac_acc__Specification13_spec__2_~__cil_tmp8~0#1 := (if __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 < 0 && 0 != __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 % 3 then 1 + __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 / 3 else __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 / 3); 397461#L108 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1; 397463#L109 assume 1 == ~prevDir~0;assume { :begin_inline_existInLiftCallsInDirection } true;existInLiftCallsInDirection_#in~d#1 := 0;havoc existInLiftCallsInDirection_#res#1;havoc existInLiftCallsInDirection_~d#1, existInLiftCallsInDirection_~retValue_acc~16#1, existInLiftCallsInDirection_~i~2#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~16#1;havoc existInLiftCallsInDirection_~i~2#1;havoc existInLiftCallsInDirection_~i___0~0#1; 396695#L1700 assume !(1 == existInLiftCallsInDirection_~d#1); 396696#L1766 assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1; 401981#L1770-2 [2021-12-16 09:50:34,082 INFO L793 eck$LassoCheckResult]: Loop: 401981#L1770-2 assume !false; 398059#L1771 assume existInLiftCallsInDirection_~i___0~0#1 >= 0; 398060#L1772 existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0; 394925#L1779-2 assume !false; 401289#L1780 assume !(existInLiftCallsInDirection_~i___0~0#1 < 5); 401291#L1838 existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1; 401981#L1770-2 [2021-12-16 09:50:34,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:50:34,083 INFO L85 PathProgramCache]: Analyzing trace with hash -1965093356, now seen corresponding path program 1 times [2021-12-16 09:50:34,083 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:50:34,083 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199451510] [2021-12-16 09:50:34,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:50:34,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:50:34,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:50:34,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 09:50:34,109 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 09:50:34,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199451510] [2021-12-16 09:50:34,109 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199451510] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 09:50:34,109 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 09:50:34,109 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-16 09:50:34,109 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99854217] [2021-12-16 09:50:34,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 09:50:34,110 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-16 09:50:34,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:50:34,110 INFO L85 PathProgramCache]: Analyzing trace with hash -1087190869, now seen corresponding path program 4 times [2021-12-16 09:50:34,110 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:50:34,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473727596] [2021-12-16 09:50:34,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:50:34,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:50:34,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:50:34,113 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:50:34,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:50:34,116 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:50:34,128 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 09:50:34,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-16 09:50:34,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-16 09:50:34,129 INFO L87 Difference]: Start difference. First operand 9463 states and 17601 transitions. cyclomatic complexity: 8173 Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 09:50:34,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 09:50:34,581 INFO L93 Difference]: Finished difference Result 28181 states and 52457 transitions. [2021-12-16 09:50:34,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-16 09:50:34,582 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28181 states and 52457 transitions. [2021-12-16 09:50:34,702 INFO L131 ngComponentsAnalysis]: Automaton has 99 accepting balls. 7143 [2021-12-16 09:50:34,794 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28181 states to 28181 states and 52457 transitions. [2021-12-16 09:50:34,794 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28067 [2021-12-16 09:50:34,815 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28067 [2021-12-16 09:50:34,816 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28181 states and 52457 transitions. [2021-12-16 09:50:34,818 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-16 09:50:34,818 INFO L681 BuchiCegarLoop]: Abstraction has 28181 states and 52457 transitions. [2021-12-16 09:50:34,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28181 states and 52457 transitions. [2021-12-16 09:50:34,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28181 to 9469. [2021-12-16 09:50:34,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9469 states, 9469 states have (on average 1.8593304467208787) internal successors, (17606), 9468 states have internal predecessors, (17606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 09:50:35,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9469 states to 9469 states and 17606 transitions. [2021-12-16 09:50:35,007 INFO L704 BuchiCegarLoop]: Abstraction has 9469 states and 17606 transitions. [2021-12-16 09:50:35,007 INFO L587 BuchiCegarLoop]: Abstraction has 9469 states and 17606 transitions. [2021-12-16 09:50:35,007 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-12-16 09:50:35,007 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9469 states and 17606 transitions. [2021-12-16 09:50:35,031 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 2381 [2021-12-16 09:50:35,031 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 09:50:35,032 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 09:50:35,032 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 09:50:35,032 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-12-16 09:50:35,033 INFO L791 eck$LassoCheckResult]: Stem: 441563#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(32, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(10, 4);call #Ultimate.allocInit(4, 5);call write~init~int(91, 5, 0, 1);call write~init~int(95, 5, 1, 1);call write~init~int(93, 5, 2, 1);call write~init~int(0, 5, 3, 1);call #Ultimate.allocInit(4, 6);call write~init~int(91, 6, 0, 1);call write~init~int(93, 6, 1, 1);call write~init~int(32, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(5, 7);call write~init~int(32, 7, 0, 1);call write~init~int(97, 7, 1, 1);call write~init~int(116, 7, 2, 1);call write~init~int(32, 7, 3, 1);call write~init~int(0, 7, 4, 1);call #Ultimate.allocInit(3, 8);call write~init~int(37, 8, 0, 1);call write~init~int(105, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(10, 9);call #Ultimate.allocInit(3, 10);call write~init~int(117, 10, 0, 1);call write~init~int(112, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(5, 11);call write~init~int(100, 11, 0, 1);call write~init~int(111, 11, 1, 1);call write~init~int(119, 11, 2, 1);call write~init~int(110, 11, 3, 1);call write~init~int(0, 11, 4, 1);call #Ultimate.allocInit(7, 12);call write~init~int(32, 12, 0, 1);call write~init~int(73, 12, 1, 1);call write~init~int(76, 12, 2, 1);call write~init~int(95, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(4, 13);call write~init~int(32, 13, 0, 1);call write~init~int(37, 13, 1, 1);call write~init~int(105, 13, 2, 1);call write~init~int(0, 13, 3, 1);call #Ultimate.allocInit(4, 14);call write~init~int(32, 14, 0, 1);call write~init~int(37, 14, 1, 1);call write~init~int(105, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(4, 15);call write~init~int(32, 15, 0, 1);call write~init~int(37, 15, 1, 1);call write~init~int(105, 15, 2, 1);call write~init~int(0, 15, 3, 1);call #Ultimate.allocInit(4, 16);call write~init~int(32, 16, 0, 1);call write~init~int(37, 16, 1, 1);call write~init~int(105, 16, 2, 1);call write~init~int(0, 16, 3, 1);call #Ultimate.allocInit(4, 17);call write~init~int(32, 17, 0, 1);call write~init~int(37, 17, 1, 1);call write~init~int(105, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(6, 18);call write~init~int(32, 18, 0, 1);call write~init~int(70, 18, 1, 1);call write~init~int(95, 18, 2, 1);call write~init~int(112, 18, 3, 1);call write~init~int(58, 18, 4, 1);call write~init~int(0, 18, 5, 1);call #Ultimate.allocInit(4, 19);call write~init~int(32, 19, 0, 1);call write~init~int(37, 19, 1, 1);call write~init~int(105, 19, 2, 1);call write~init~int(0, 19, 3, 1);call #Ultimate.allocInit(4, 20);call write~init~int(32, 20, 0, 1);call write~init~int(37, 20, 1, 1);call write~init~int(105, 20, 2, 1);call write~init~int(0, 20, 3, 1);call #Ultimate.allocInit(4, 21);call write~init~int(32, 21, 0, 1);call write~init~int(37, 21, 1, 1);call write~init~int(105, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(4, 22);call write~init~int(32, 22, 0, 1);call write~init~int(37, 22, 1, 1);call write~init~int(105, 22, 2, 1);call write~init~int(0, 22, 3, 1);call #Ultimate.allocInit(4, 23);call write~init~int(32, 23, 0, 1);call write~init~int(37, 23, 1, 1);call write~init~int(105, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(2, 24);call write~init~int(10, 24, 0, 1);call write~init~int(0, 24, 1, 1);call #Ultimate.allocInit(30, 25);call #Ultimate.allocInit(9, 26);call #Ultimate.allocInit(21, 27);call #Ultimate.allocInit(30, 28);call #Ultimate.allocInit(9, 29);call #Ultimate.allocInit(21, 30);call #Ultimate.allocInit(30, 31);call #Ultimate.allocInit(9, 32);call #Ultimate.allocInit(25, 33);call #Ultimate.allocInit(30, 34);call #Ultimate.allocInit(9, 35);call #Ultimate.allocInit(25, 36);~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~prevDir~0 := 0;~cleanupTimeShifts~0 := 12;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~calls_0~0 := 0;~calls_1~0 := 0;~calls_2~0 := 0;~calls_3~0 := 0;~calls_4~0 := 0;~personOnFloor_0_0~0 := 0;~personOnFloor_0_1~0 := 0;~personOnFloor_0_2~0 := 0;~personOnFloor_0_3~0 := 0;~personOnFloor_0_4~0 := 0;~personOnFloor_1_0~0 := 0;~personOnFloor_1_1~0 := 0;~personOnFloor_1_2~0 := 0;~personOnFloor_1_3~0 := 0;~personOnFloor_1_4~0 := 0;~personOnFloor_2_0~0 := 0;~personOnFloor_2_1~0 := 0;~personOnFloor_2_2~0 := 0;~personOnFloor_2_3~0 := 0;~personOnFloor_2_4~0 := 0;~personOnFloor_3_0~0 := 0;~personOnFloor_3_1~0 := 0;~personOnFloor_3_2~0 := 0;~personOnFloor_3_3~0 := 0;~personOnFloor_3_4~0 := 0;~personOnFloor_4_0~0 := 0;~personOnFloor_4_1~0 := 0;~personOnFloor_4_2~0 := 0;~personOnFloor_4_3~0 := 0;~personOnFloor_4_4~0 := 0;~personOnFloor_5_0~0 := 0;~personOnFloor_5_1~0 := 0;~personOnFloor_5_2~0 := 0;~personOnFloor_5_3~0 := 0;~personOnFloor_5_4~0 := 0; 439742#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret116#1, main_~retValue_acc~23#1, main_~tmp~25#1;havoc main_~retValue_acc~23#1;havoc main_~tmp~25#1;assume { :begin_inline_select_helpers } true; 439414#L2731 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 439415#L2724 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~28#1;havoc valid_product_~retValue_acc~28#1;valid_product_~retValue_acc~28#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~28#1; 436225#L2739 main_#t~ret116#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~25#1 := main_#t~ret116#1;havoc main_#t~ret116#1; 436226#L2329 assume 0 != main_~tmp~25#1;assume { :begin_inline_setup } true; 441650#L2303 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;assume { :begin_inline_aliceCall } true;havoc aliceCall_#t~ret105#1, aliceCall_~tmp~18#1;havoc aliceCall_~tmp~18#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~20#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~20#1; 435918#L1917 assume !(0 == getOrigin_~person#1); 435919#L1921 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~20#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~20#1; 441145#L1942 aliceCall_#t~ret105#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~18#1 := aliceCall_#t~ret105#1;havoc aliceCall_#t~ret105#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~18#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 441840#L3097 assume !(0 == initPersonOnFloor_~floor#1); 441755#L3124 assume !(1 == initPersonOnFloor_~floor#1); 433642#L3151 assume !(2 == initPersonOnFloor_~floor#1); 433643#L3178 assume 3 == initPersonOnFloor_~floor#1; 439999#L3179 assume !(0 == initPersonOnFloor_~person#1); 436495#L3182 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_3~0 := 1; 433781#L3205-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 439902#L2889 assume !(0 == callOnFloor_~floorID#1); 435381#L2892 assume !(1 == callOnFloor_~floorID#1); 435382#L2895 assume 2 == callOnFloor_~floorID#1;~calls_2~0 := 1; 440201#L2901-2 assume { :end_inline_callOnFloor } true; 440975#L3241 assume { :end_inline_initPersonOnFloor } true; 440976#L2064 assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret106#1, angelinaCall_~tmp~19#1;havoc angelinaCall_~tmp~19#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~20#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~20#1; 441104#L1917-1 assume !(0 == getOrigin_~person#1); 437702#L1921-1 assume !(1 == getOrigin_~person#1); 435734#L1925-1 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~20#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~20#1; 433229#L1942-1 angelinaCall_#t~ret106#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~19#1 := angelinaCall_#t~ret106#1;havoc angelinaCall_#t~ret106#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~19#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 441877#L3097-1 assume 0 == initPersonOnFloor_~floor#1; 438844#L3098-2 assume !(0 == initPersonOnFloor_~person#1); 438707#L3101-2 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_0~0 := 1; 432673#L3205-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 441887#L2889-2 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 438554#L2901-5 assume { :end_inline_callOnFloor } true; 437967#L3241-1 assume { :end_inline_initPersonOnFloor } true; 437968#L2075 assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret65#1, timeShift_#t~ret66#1, timeShift_#t~ret67#1, timeShift_#t~ret68#1, timeShift_#t~ret69#1, timeShift_#t~ret70#1, timeShift_#t~ret71#1, timeShift_#t~ret72#1, timeShift_#t~ret73#1, timeShift_#t~ret74#1, timeShift_#t~ret75#1, timeShift_~tmp~15#1, timeShift_~tmp___0~10#1, timeShift_~tmp___1~6#1, timeShift_~tmp___2~4#1, timeShift_~tmp___3~4#1, timeShift_~tmp___4~3#1, timeShift_~tmp___5~2#1, timeShift_~tmp___6~2#1, timeShift_~tmp___7~2#1, timeShift_~tmp___8~2#1, timeShift_~tmp___9~2#1;havoc timeShift_~tmp~15#1;havoc timeShift_~tmp___0~10#1;havoc timeShift_~tmp___1~6#1;havoc timeShift_~tmp___2~4#1;havoc timeShift_~tmp___3~4#1;havoc timeShift_~tmp___4~3#1;havoc timeShift_~tmp___5~2#1;havoc timeShift_~tmp___6~2#1;havoc timeShift_~tmp___7~2#1;havoc timeShift_~tmp___8~2#1;havoc timeShift_~tmp___9~2#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret4#1;assume { :begin_inline_getCurrentHeading } true;havoc getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~4#1;havoc getCurrentHeading_~retValue_acc~4#1;getCurrentHeading_~retValue_acc~4#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~4#1; 437393#L559 __utac_acc__Specification13_spec__1_#t~ret4#1 := getCurrentHeading_#res#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret4#1;havoc __utac_acc__Specification13_spec__1_#t~ret4#1; 437394#L90 assume { :end_inline___utac_acc__Specification13_spec__1 } true;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret49#1, stopRequestedAtCurrentFloor_#t~ret50#1, stopRequestedAtCurrentFloor_#t~ret51#1, stopRequestedAtCurrentFloor_#t~ret52#1, stopRequestedAtCurrentFloor_~retValue_acc~14#1, stopRequestedAtCurrentFloor_~tmp~13#1, stopRequestedAtCurrentFloor_~tmp___0~8#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~14#1;havoc stopRequestedAtCurrentFloor_~tmp~13#1;havoc stopRequestedAtCurrentFloor_~tmp___0~8#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret102#1, isExecutiveFloorCalling_~retValue_acc~17#1;havoc isExecutiveFloorCalling_~retValue_acc~17#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~29#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~29#1; 441530#L2826 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~29#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~29#1; 433902#L2853 isExecutiveFloorCalling_#t~ret102#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~17#1 := isExecutiveFloorCalling_#t~ret102#1;havoc isExecutiveFloorCalling_#t~ret102#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~17#1; 433903#L1860 stopRequestedAtCurrentFloor_#t~ret49#1 := isExecutiveFloorCalling_#res#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedAtCurrentFloor_~tmp~13#1 := stopRequestedAtCurrentFloor_#t~ret49#1;havoc stopRequestedAtCurrentFloor_#t~ret49#1; 437119#L1244 assume 0 != stopRequestedAtCurrentFloor_~tmp~13#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~1#1;havoc getCurrentFloorID_~retValue_acc~1#1;getCurrentFloorID_~retValue_acc~1#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~1#1; 437121#L507 stopRequestedAtCurrentFloor_#t~ret50#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedAtCurrentFloor_~tmp___0~8#1 := stopRequestedAtCurrentFloor_#t~ret50#1;havoc stopRequestedAtCurrentFloor_#t~ret50#1; 440228#L1248 assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~8#1);stopRequestedAtCurrentFloor_~retValue_acc~14#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~14#1; 439119#L1261 timeShift_#t~ret65#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret65#1;havoc timeShift_#t~ret65#1; 439686#L1397 assume !(0 != timeShift_~tmp___9~2#1); 439407#L1488 assume 1 == ~doorState~0;~doorState~0 := 0; 436267#L1488-2 assume { :begin_inline_stopRequestedInDirection } true;stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1 := ~currentHeading~0, 1, 1;havoc stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~10#1, stopRequestedInDirection_~tmp~9#1, stopRequestedInDirection_~tmp___0~5#1, stopRequestedInDirection_~__cil_tmp7~1#1, stopRequestedInDirection_~__cil_tmp8~2#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~10#1;havoc stopRequestedInDirection_~tmp~9#1;havoc stopRequestedInDirection_~tmp___0~5#1;havoc stopRequestedInDirection_~__cil_tmp7~1#1;havoc stopRequestedInDirection_~__cil_tmp8~2#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret102#1, isExecutiveFloorCalling_~retValue_acc~17#1;havoc isExecutiveFloorCalling_~retValue_acc~17#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~29#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~29#1; 436268#L2826-3 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~29#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~29#1; 438275#L2853-3 isExecutiveFloorCalling_#t~ret102#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~17#1 := isExecutiveFloorCalling_#t~ret102#1;havoc isExecutiveFloorCalling_#t~ret102#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~17#1; 438096#L1860-1 stopRequestedInDirection_#t~ret40#1 := isExecutiveFloorCalling_#res#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedInDirection_~tmp___0~5#1 := stopRequestedInDirection_#t~ret40#1;havoc stopRequestedInDirection_#t~ret40#1; 438097#L1099 assume 0 != stopRequestedInDirection_~tmp___0~5#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~1#1;havoc getCurrentFloorID_~retValue_acc~1#1;getCurrentFloorID_~retValue_acc~1#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~1#1; 440051#L507-3 stopRequestedInDirection_#t~ret41#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedInDirection_~tmp~9#1 := stopRequestedInDirection_#t~ret41#1;havoc stopRequestedInDirection_#t~ret41#1;stopRequestedInDirection_~__cil_tmp7~1#1 := (if 1 == stopRequestedInDirection_~dir#1 then 1 else 0);stopRequestedInDirection_~__cil_tmp8~2#1 := (if stopRequestedInDirection_~tmp~9#1 < ~executiveFloor~0 then 1 else 0);stopRequestedInDirection_~retValue_acc~10#1 := (if stopRequestedInDirection_~__cil_tmp8~2#1 == stopRequestedInDirection_~__cil_tmp7~1#1 then 1 else 0);stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~10#1; 434915#L1112 timeShift_#t~ret72#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret72#1;havoc timeShift_#t~ret72#1; 432621#L1496 assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret43#1, continueInDirection_~dir#1, continueInDirection_~tmp~10#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~10#1;~currentHeading~0 := continueInDirection_~dir#1; 432622#L1156 assume !(1 == ~currentHeading~0); 432675#L1166 assume !(0 == ~currentFloorID~0); 432676#L1166-2 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 437113#L1172-1 assume { :end_inline_continueInDirection } true; 440757#L1505-2 assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret5#1, __utac_acc__Specification13_spec__2_#t~ret6#1, __utac_acc__Specification13_spec__2_#t~ret7#1, __utac_acc__Specification13_spec__2_#t~ret8#1, __utac_acc__Specification13_spec__2_#t~ret9#1, __utac_acc__Specification13_spec__2_#t~ret10#1, __utac_acc__Specification13_spec__2_~tmp~0#1, __utac_acc__Specification13_spec__2_~tmp___0~0#1, __utac_acc__Specification13_spec__2_~tmp___1~0#1, __utac_acc__Specification13_spec__2_~tmp___2~0#1, __utac_acc__Specification13_spec__2_~tmp___3~0#1, __utac_acc__Specification13_spec__2_~tmp___4~0#1, __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1, __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1;havoc __utac_acc__Specification13_spec__2_~tmp~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___1~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___2~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___3~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___4~0#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1;__utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 := 2 * ~maximumWeight~0;__utac_acc__Specification13_spec__2_~__cil_tmp8~0#1 := (if __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 < 0 && 0 != __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 % 3 then 1 + __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 / 3 else __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 / 3); 435114#L108 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1; 435116#L109 assume 1 == ~prevDir~0;assume { :begin_inline_existInLiftCallsInDirection } true;existInLiftCallsInDirection_#in~d#1 := 0;havoc existInLiftCallsInDirection_#res#1;havoc existInLiftCallsInDirection_~d#1, existInLiftCallsInDirection_~retValue_acc~16#1, existInLiftCallsInDirection_~i~2#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~16#1;havoc existInLiftCallsInDirection_~i~2#1;havoc existInLiftCallsInDirection_~i___0~0#1; 434348#L1700 assume !(1 == existInLiftCallsInDirection_~d#1); 434349#L1766 assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1; 439636#L1770-2 [2021-12-16 09:50:35,033 INFO L793 eck$LassoCheckResult]: Loop: 439636#L1770-2 assume !false; 435711#L1771 assume existInLiftCallsInDirection_~i___0~0#1 >= 0; 435712#L1772 existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0; 432578#L1779-2 assume !false; 438943#L1780 assume !(existInLiftCallsInDirection_~i___0~0#1 < 5); 438945#L1838 existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1; 439636#L1770-2 [2021-12-16 09:50:35,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:50:35,033 INFO L85 PathProgramCache]: Analyzing trace with hash 1905684660, now seen corresponding path program 1 times [2021-12-16 09:50:35,034 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:50:35,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181288907] [2021-12-16 09:50:35,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:50:35,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:50:35,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:50:35,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 09:50:35,073 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 09:50:35,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181288907] [2021-12-16 09:50:35,074 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181288907] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 09:50:35,074 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 09:50:35,074 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-16 09:50:35,074 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473162880] [2021-12-16 09:50:35,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 09:50:35,075 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-16 09:50:35,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:50:35,075 INFO L85 PathProgramCache]: Analyzing trace with hash -1087190869, now seen corresponding path program 5 times [2021-12-16 09:50:35,075 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:50:35,075 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891034483] [2021-12-16 09:50:35,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:50:35,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:50:35,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:50:35,078 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:50:35,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:50:35,081 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:50:35,094 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 09:50:35,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-16 09:50:35,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-16 09:50:35,095 INFO L87 Difference]: Start difference. First operand 9469 states and 17606 transitions. cyclomatic complexity: 8172 Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 09:50:35,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 09:50:35,577 INFO L93 Difference]: Finished difference Result 28188 states and 52461 transitions. [2021-12-16 09:50:35,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-16 09:50:35,578 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28188 states and 52461 transitions. [2021-12-16 09:50:35,681 INFO L131 ngComponentsAnalysis]: Automaton has 99 accepting balls. 7143 [2021-12-16 09:50:35,764 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28188 states to 28188 states and 52461 transitions. [2021-12-16 09:50:35,764 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28074 [2021-12-16 09:50:35,784 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28074 [2021-12-16 09:50:35,785 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28188 states and 52461 transitions. [2021-12-16 09:50:35,798 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-16 09:50:35,798 INFO L681 BuchiCegarLoop]: Abstraction has 28188 states and 52461 transitions. [2021-12-16 09:50:35,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28188 states and 52461 transitions. [2021-12-16 09:50:35,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28188 to 9477. [2021-12-16 09:50:35,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9477 states, 9477 states have (on average 1.8584995251661918) internal successors, (17613), 9476 states have internal predecessors, (17613), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 09:50:35,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9477 states to 9477 states and 17613 transitions. [2021-12-16 09:50:35,988 INFO L704 BuchiCegarLoop]: Abstraction has 9477 states and 17613 transitions. [2021-12-16 09:50:35,988 INFO L587 BuchiCegarLoop]: Abstraction has 9477 states and 17613 transitions. [2021-12-16 09:50:35,988 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-12-16 09:50:35,988 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9477 states and 17613 transitions. [2021-12-16 09:50:36,010 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 2381 [2021-12-16 09:50:36,011 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 09:50:36,011 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 09:50:36,011 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 09:50:36,011 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-12-16 09:50:36,012 INFO L791 eck$LassoCheckResult]: Stem: 479229#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(32, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(10, 4);call #Ultimate.allocInit(4, 5);call write~init~int(91, 5, 0, 1);call write~init~int(95, 5, 1, 1);call write~init~int(93, 5, 2, 1);call write~init~int(0, 5, 3, 1);call #Ultimate.allocInit(4, 6);call write~init~int(91, 6, 0, 1);call write~init~int(93, 6, 1, 1);call write~init~int(32, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(5, 7);call write~init~int(32, 7, 0, 1);call write~init~int(97, 7, 1, 1);call write~init~int(116, 7, 2, 1);call write~init~int(32, 7, 3, 1);call write~init~int(0, 7, 4, 1);call #Ultimate.allocInit(3, 8);call write~init~int(37, 8, 0, 1);call write~init~int(105, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(10, 9);call #Ultimate.allocInit(3, 10);call write~init~int(117, 10, 0, 1);call write~init~int(112, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(5, 11);call write~init~int(100, 11, 0, 1);call write~init~int(111, 11, 1, 1);call write~init~int(119, 11, 2, 1);call write~init~int(110, 11, 3, 1);call write~init~int(0, 11, 4, 1);call #Ultimate.allocInit(7, 12);call write~init~int(32, 12, 0, 1);call write~init~int(73, 12, 1, 1);call write~init~int(76, 12, 2, 1);call write~init~int(95, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(4, 13);call write~init~int(32, 13, 0, 1);call write~init~int(37, 13, 1, 1);call write~init~int(105, 13, 2, 1);call write~init~int(0, 13, 3, 1);call #Ultimate.allocInit(4, 14);call write~init~int(32, 14, 0, 1);call write~init~int(37, 14, 1, 1);call write~init~int(105, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(4, 15);call write~init~int(32, 15, 0, 1);call write~init~int(37, 15, 1, 1);call write~init~int(105, 15, 2, 1);call write~init~int(0, 15, 3, 1);call #Ultimate.allocInit(4, 16);call write~init~int(32, 16, 0, 1);call write~init~int(37, 16, 1, 1);call write~init~int(105, 16, 2, 1);call write~init~int(0, 16, 3, 1);call #Ultimate.allocInit(4, 17);call write~init~int(32, 17, 0, 1);call write~init~int(37, 17, 1, 1);call write~init~int(105, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(6, 18);call write~init~int(32, 18, 0, 1);call write~init~int(70, 18, 1, 1);call write~init~int(95, 18, 2, 1);call write~init~int(112, 18, 3, 1);call write~init~int(58, 18, 4, 1);call write~init~int(0, 18, 5, 1);call #Ultimate.allocInit(4, 19);call write~init~int(32, 19, 0, 1);call write~init~int(37, 19, 1, 1);call write~init~int(105, 19, 2, 1);call write~init~int(0, 19, 3, 1);call #Ultimate.allocInit(4, 20);call write~init~int(32, 20, 0, 1);call write~init~int(37, 20, 1, 1);call write~init~int(105, 20, 2, 1);call write~init~int(0, 20, 3, 1);call #Ultimate.allocInit(4, 21);call write~init~int(32, 21, 0, 1);call write~init~int(37, 21, 1, 1);call write~init~int(105, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(4, 22);call write~init~int(32, 22, 0, 1);call write~init~int(37, 22, 1, 1);call write~init~int(105, 22, 2, 1);call write~init~int(0, 22, 3, 1);call #Ultimate.allocInit(4, 23);call write~init~int(32, 23, 0, 1);call write~init~int(37, 23, 1, 1);call write~init~int(105, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(2, 24);call write~init~int(10, 24, 0, 1);call write~init~int(0, 24, 1, 1);call #Ultimate.allocInit(30, 25);call #Ultimate.allocInit(9, 26);call #Ultimate.allocInit(21, 27);call #Ultimate.allocInit(30, 28);call #Ultimate.allocInit(9, 29);call #Ultimate.allocInit(21, 30);call #Ultimate.allocInit(30, 31);call #Ultimate.allocInit(9, 32);call #Ultimate.allocInit(25, 33);call #Ultimate.allocInit(30, 34);call #Ultimate.allocInit(9, 35);call #Ultimate.allocInit(25, 36);~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~prevDir~0 := 0;~cleanupTimeShifts~0 := 12;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~calls_0~0 := 0;~calls_1~0 := 0;~calls_2~0 := 0;~calls_3~0 := 0;~calls_4~0 := 0;~personOnFloor_0_0~0 := 0;~personOnFloor_0_1~0 := 0;~personOnFloor_0_2~0 := 0;~personOnFloor_0_3~0 := 0;~personOnFloor_0_4~0 := 0;~personOnFloor_1_0~0 := 0;~personOnFloor_1_1~0 := 0;~personOnFloor_1_2~0 := 0;~personOnFloor_1_3~0 := 0;~personOnFloor_1_4~0 := 0;~personOnFloor_2_0~0 := 0;~personOnFloor_2_1~0 := 0;~personOnFloor_2_2~0 := 0;~personOnFloor_2_3~0 := 0;~personOnFloor_2_4~0 := 0;~personOnFloor_3_0~0 := 0;~personOnFloor_3_1~0 := 0;~personOnFloor_3_2~0 := 0;~personOnFloor_3_3~0 := 0;~personOnFloor_3_4~0 := 0;~personOnFloor_4_0~0 := 0;~personOnFloor_4_1~0 := 0;~personOnFloor_4_2~0 := 0;~personOnFloor_4_3~0 := 0;~personOnFloor_4_4~0 := 0;~personOnFloor_5_0~0 := 0;~personOnFloor_5_1~0 := 0;~personOnFloor_5_2~0 := 0;~personOnFloor_5_3~0 := 0;~personOnFloor_5_4~0 := 0; 477409#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret116#1, main_~retValue_acc~23#1, main_~tmp~25#1;havoc main_~retValue_acc~23#1;havoc main_~tmp~25#1;assume { :begin_inline_select_helpers } true; 477081#L2731 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 477082#L2724 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~28#1;havoc valid_product_~retValue_acc~28#1;valid_product_~retValue_acc~28#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~28#1; 473891#L2739 main_#t~ret116#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~25#1 := main_#t~ret116#1;havoc main_#t~ret116#1; 473892#L2329 assume 0 != main_~tmp~25#1;assume { :begin_inline_setup } true; 479316#L2303 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;assume { :begin_inline_aliceCall } true;havoc aliceCall_#t~ret105#1, aliceCall_~tmp~18#1;havoc aliceCall_~tmp~18#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~20#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~20#1; 473583#L1917 assume !(0 == getOrigin_~person#1); 473584#L1921 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~20#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~20#1; 478813#L1942 aliceCall_#t~ret105#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~18#1 := aliceCall_#t~ret105#1;havoc aliceCall_#t~ret105#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~18#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 479507#L3097 assume !(0 == initPersonOnFloor_~floor#1); 479422#L3124 assume !(1 == initPersonOnFloor_~floor#1); 471310#L3151 assume !(2 == initPersonOnFloor_~floor#1); 471311#L3178 assume 3 == initPersonOnFloor_~floor#1; 477666#L3179 assume !(0 == initPersonOnFloor_~person#1); 474161#L3182 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_3~0 := 1; 471447#L3205-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 477569#L2889 assume !(0 == callOnFloor_~floorID#1); 473046#L2892 assume !(1 == callOnFloor_~floorID#1); 473047#L2895 assume !(2 == callOnFloor_~floorID#1); 477868#L2898 assume 3 == callOnFloor_~floorID#1;~calls_3~0 := 1; 479357#L2901-2 assume { :end_inline_callOnFloor } true; 478642#L3241 assume { :end_inline_initPersonOnFloor } true; 478643#L2064 assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret106#1, angelinaCall_~tmp~19#1;havoc angelinaCall_~tmp~19#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~20#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~20#1; 478771#L1917-1 assume !(0 == getOrigin_~person#1); 475368#L1921-1 assume !(1 == getOrigin_~person#1); 473399#L1925-1 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~20#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~20#1; 470895#L1942-1 angelinaCall_#t~ret106#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~19#1 := angelinaCall_#t~ret106#1;havoc angelinaCall_#t~ret106#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~19#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 479544#L3097-1 assume 0 == initPersonOnFloor_~floor#1; 476511#L3098-2 assume !(0 == initPersonOnFloor_~person#1); 476374#L3101-2 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_0~0 := 1; 470339#L3205-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 479555#L2889-2 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 476221#L2901-5 assume { :end_inline_callOnFloor } true; 475634#L3241-1 assume { :end_inline_initPersonOnFloor } true; 475635#L2075 assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret65#1, timeShift_#t~ret66#1, timeShift_#t~ret67#1, timeShift_#t~ret68#1, timeShift_#t~ret69#1, timeShift_#t~ret70#1, timeShift_#t~ret71#1, timeShift_#t~ret72#1, timeShift_#t~ret73#1, timeShift_#t~ret74#1, timeShift_#t~ret75#1, timeShift_~tmp~15#1, timeShift_~tmp___0~10#1, timeShift_~tmp___1~6#1, timeShift_~tmp___2~4#1, timeShift_~tmp___3~4#1, timeShift_~tmp___4~3#1, timeShift_~tmp___5~2#1, timeShift_~tmp___6~2#1, timeShift_~tmp___7~2#1, timeShift_~tmp___8~2#1, timeShift_~tmp___9~2#1;havoc timeShift_~tmp~15#1;havoc timeShift_~tmp___0~10#1;havoc timeShift_~tmp___1~6#1;havoc timeShift_~tmp___2~4#1;havoc timeShift_~tmp___3~4#1;havoc timeShift_~tmp___4~3#1;havoc timeShift_~tmp___5~2#1;havoc timeShift_~tmp___6~2#1;havoc timeShift_~tmp___7~2#1;havoc timeShift_~tmp___8~2#1;havoc timeShift_~tmp___9~2#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret4#1;assume { :begin_inline_getCurrentHeading } true;havoc getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~4#1;havoc getCurrentHeading_~retValue_acc~4#1;getCurrentHeading_~retValue_acc~4#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~4#1; 475060#L559 __utac_acc__Specification13_spec__1_#t~ret4#1 := getCurrentHeading_#res#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret4#1;havoc __utac_acc__Specification13_spec__1_#t~ret4#1; 475061#L90 assume { :end_inline___utac_acc__Specification13_spec__1 } true;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret49#1, stopRequestedAtCurrentFloor_#t~ret50#1, stopRequestedAtCurrentFloor_#t~ret51#1, stopRequestedAtCurrentFloor_#t~ret52#1, stopRequestedAtCurrentFloor_~retValue_acc~14#1, stopRequestedAtCurrentFloor_~tmp~13#1, stopRequestedAtCurrentFloor_~tmp___0~8#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~14#1;havoc stopRequestedAtCurrentFloor_~tmp~13#1;havoc stopRequestedAtCurrentFloor_~tmp___0~8#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret102#1, isExecutiveFloorCalling_~retValue_acc~17#1;havoc isExecutiveFloorCalling_~retValue_acc~17#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~29#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~29#1; 479197#L2826 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~29#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~29#1; 471568#L2853 isExecutiveFloorCalling_#t~ret102#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~17#1 := isExecutiveFloorCalling_#t~ret102#1;havoc isExecutiveFloorCalling_#t~ret102#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~17#1; 471569#L1860 stopRequestedAtCurrentFloor_#t~ret49#1 := isExecutiveFloorCalling_#res#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedAtCurrentFloor_~tmp~13#1 := stopRequestedAtCurrentFloor_#t~ret49#1;havoc stopRequestedAtCurrentFloor_#t~ret49#1; 474786#L1244 assume 0 != stopRequestedAtCurrentFloor_~tmp~13#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~1#1;havoc getCurrentFloorID_~retValue_acc~1#1;getCurrentFloorID_~retValue_acc~1#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~1#1; 474788#L507 stopRequestedAtCurrentFloor_#t~ret50#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedAtCurrentFloor_~tmp___0~8#1 := stopRequestedAtCurrentFloor_#t~ret50#1;havoc stopRequestedAtCurrentFloor_#t~ret50#1; 477894#L1248 assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~8#1);stopRequestedAtCurrentFloor_~retValue_acc~14#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~14#1; 476785#L1261 timeShift_#t~ret65#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret65#1;havoc timeShift_#t~ret65#1; 477353#L1397 assume !(0 != timeShift_~tmp___9~2#1); 477074#L1488 assume 1 == ~doorState~0;~doorState~0 := 0; 473935#L1488-2 assume { :begin_inline_stopRequestedInDirection } true;stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1 := ~currentHeading~0, 1, 1;havoc stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~10#1, stopRequestedInDirection_~tmp~9#1, stopRequestedInDirection_~tmp___0~5#1, stopRequestedInDirection_~__cil_tmp7~1#1, stopRequestedInDirection_~__cil_tmp8~2#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~10#1;havoc stopRequestedInDirection_~tmp~9#1;havoc stopRequestedInDirection_~tmp___0~5#1;havoc stopRequestedInDirection_~__cil_tmp7~1#1;havoc stopRequestedInDirection_~__cil_tmp8~2#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret102#1, isExecutiveFloorCalling_~retValue_acc~17#1;havoc isExecutiveFloorCalling_~retValue_acc~17#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~29#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~29#1; 473936#L2826-3 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~29#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~29#1; 475944#L2853-3 isExecutiveFloorCalling_#t~ret102#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~17#1 := isExecutiveFloorCalling_#t~ret102#1;havoc isExecutiveFloorCalling_#t~ret102#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~17#1; 475763#L1860-1 stopRequestedInDirection_#t~ret40#1 := isExecutiveFloorCalling_#res#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedInDirection_~tmp___0~5#1 := stopRequestedInDirection_#t~ret40#1;havoc stopRequestedInDirection_#t~ret40#1; 475764#L1099 assume 0 != stopRequestedInDirection_~tmp___0~5#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~1#1;havoc getCurrentFloorID_~retValue_acc~1#1;getCurrentFloorID_~retValue_acc~1#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~1#1; 477718#L507-3 stopRequestedInDirection_#t~ret41#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedInDirection_~tmp~9#1 := stopRequestedInDirection_#t~ret41#1;havoc stopRequestedInDirection_#t~ret41#1;stopRequestedInDirection_~__cil_tmp7~1#1 := (if 1 == stopRequestedInDirection_~dir#1 then 1 else 0);stopRequestedInDirection_~__cil_tmp8~2#1 := (if stopRequestedInDirection_~tmp~9#1 < ~executiveFloor~0 then 1 else 0);stopRequestedInDirection_~retValue_acc~10#1 := (if stopRequestedInDirection_~__cil_tmp8~2#1 == stopRequestedInDirection_~__cil_tmp7~1#1 then 1 else 0);stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~10#1; 472580#L1112 timeShift_#t~ret72#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret72#1;havoc timeShift_#t~ret72#1; 470287#L1496 assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret43#1, continueInDirection_~dir#1, continueInDirection_~tmp~10#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~10#1;~currentHeading~0 := continueInDirection_~dir#1; 470288#L1156 assume !(1 == ~currentHeading~0); 470341#L1166 assume !(0 == ~currentFloorID~0); 470342#L1166-2 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 474780#L1172-1 assume { :end_inline_continueInDirection } true; 478424#L1505-2 assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret5#1, __utac_acc__Specification13_spec__2_#t~ret6#1, __utac_acc__Specification13_spec__2_#t~ret7#1, __utac_acc__Specification13_spec__2_#t~ret8#1, __utac_acc__Specification13_spec__2_#t~ret9#1, __utac_acc__Specification13_spec__2_#t~ret10#1, __utac_acc__Specification13_spec__2_~tmp~0#1, __utac_acc__Specification13_spec__2_~tmp___0~0#1, __utac_acc__Specification13_spec__2_~tmp___1~0#1, __utac_acc__Specification13_spec__2_~tmp___2~0#1, __utac_acc__Specification13_spec__2_~tmp___3~0#1, __utac_acc__Specification13_spec__2_~tmp___4~0#1, __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1, __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1;havoc __utac_acc__Specification13_spec__2_~tmp~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___1~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___2~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___3~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___4~0#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1;__utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 := 2 * ~maximumWeight~0;__utac_acc__Specification13_spec__2_~__cil_tmp8~0#1 := (if __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 < 0 && 0 != __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 % 3 then 1 + __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 / 3 else __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 / 3); 472779#L108 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1; 472781#L109 assume 1 == ~prevDir~0;assume { :begin_inline_existInLiftCallsInDirection } true;existInLiftCallsInDirection_#in~d#1 := 0;havoc existInLiftCallsInDirection_#res#1;havoc existInLiftCallsInDirection_~d#1, existInLiftCallsInDirection_~retValue_acc~16#1, existInLiftCallsInDirection_~i~2#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~16#1;havoc existInLiftCallsInDirection_~i~2#1;havoc existInLiftCallsInDirection_~i___0~0#1; 472013#L1700 assume !(1 == existInLiftCallsInDirection_~d#1); 472014#L1766 assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1; 477303#L1770-2 [2021-12-16 09:50:36,012 INFO L793 eck$LassoCheckResult]: Loop: 477303#L1770-2 assume !false; 473376#L1771 assume existInLiftCallsInDirection_~i___0~0#1 >= 0; 473377#L1772 existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0; 470247#L1779-2 assume !false; 476610#L1780 assume !(existInLiftCallsInDirection_~i___0~0#1 < 5); 476612#L1838 existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1; 477303#L1770-2 [2021-12-16 09:50:36,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:50:36,013 INFO L85 PathProgramCache]: Analyzing trace with hash 812216559, now seen corresponding path program 1 times [2021-12-16 09:50:36,013 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:50:36,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364990385] [2021-12-16 09:50:36,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:50:36,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:50:36,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:50:36,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 09:50:36,062 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 09:50:36,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364990385] [2021-12-16 09:50:36,062 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364990385] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 09:50:36,062 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 09:50:36,063 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 09:50:36,063 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228146104] [2021-12-16 09:50:36,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 09:50:36,063 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-16 09:50:36,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:50:36,063 INFO L85 PathProgramCache]: Analyzing trace with hash -1087190869, now seen corresponding path program 6 times [2021-12-16 09:50:36,064 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:50:36,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973188815] [2021-12-16 09:50:36,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:50:36,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:50:36,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:50:36,069 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:50:36,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:50:36,074 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:50:36,088 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 09:50:36,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 09:50:36,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-16 09:50:36,089 INFO L87 Difference]: Start difference. First operand 9477 states and 17613 transitions. cyclomatic complexity: 8171 Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 09:50:36,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 09:50:36,498 INFO L93 Difference]: Finished difference Result 20771 states and 38642 transitions. [2021-12-16 09:50:36,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 09:50:36,498 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20771 states and 38642 transitions. [2021-12-16 09:50:36,568 INFO L131 ngComponentsAnalysis]: Automaton has 60 accepting balls. 8420 [2021-12-16 09:50:36,624 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20771 states to 20771 states and 38642 transitions. [2021-12-16 09:50:36,624 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20733 [2021-12-16 09:50:36,638 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20733 [2021-12-16 09:50:36,639 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20771 states and 38642 transitions. [2021-12-16 09:50:36,646 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-16 09:50:36,647 INFO L681 BuchiCegarLoop]: Abstraction has 20771 states and 38642 transitions. [2021-12-16 09:50:36,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20771 states and 38642 transitions. [2021-12-16 09:50:36,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20771 to 9463. [2021-12-16 09:50:36,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9463 states, 9463 states have (on average 1.858501532283631) internal successors, (17587), 9462 states have internal predecessors, (17587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 09:50:36,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9463 states to 9463 states and 17587 transitions. [2021-12-16 09:50:36,795 INFO L704 BuchiCegarLoop]: Abstraction has 9463 states and 17587 transitions. [2021-12-16 09:50:36,795 INFO L587 BuchiCegarLoop]: Abstraction has 9463 states and 17587 transitions. [2021-12-16 09:50:36,795 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-12-16 09:50:36,795 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9463 states and 17587 transitions. [2021-12-16 09:50:36,817 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 2381 [2021-12-16 09:50:36,818 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 09:50:36,818 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 09:50:36,818 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 09:50:36,818 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-12-16 09:50:36,819 INFO L791 eck$LassoCheckResult]: Stem: 509485#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(32, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(10, 4);call #Ultimate.allocInit(4, 5);call write~init~int(91, 5, 0, 1);call write~init~int(95, 5, 1, 1);call write~init~int(93, 5, 2, 1);call write~init~int(0, 5, 3, 1);call #Ultimate.allocInit(4, 6);call write~init~int(91, 6, 0, 1);call write~init~int(93, 6, 1, 1);call write~init~int(32, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(5, 7);call write~init~int(32, 7, 0, 1);call write~init~int(97, 7, 1, 1);call write~init~int(116, 7, 2, 1);call write~init~int(32, 7, 3, 1);call write~init~int(0, 7, 4, 1);call #Ultimate.allocInit(3, 8);call write~init~int(37, 8, 0, 1);call write~init~int(105, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(10, 9);call #Ultimate.allocInit(3, 10);call write~init~int(117, 10, 0, 1);call write~init~int(112, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(5, 11);call write~init~int(100, 11, 0, 1);call write~init~int(111, 11, 1, 1);call write~init~int(119, 11, 2, 1);call write~init~int(110, 11, 3, 1);call write~init~int(0, 11, 4, 1);call #Ultimate.allocInit(7, 12);call write~init~int(32, 12, 0, 1);call write~init~int(73, 12, 1, 1);call write~init~int(76, 12, 2, 1);call write~init~int(95, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(4, 13);call write~init~int(32, 13, 0, 1);call write~init~int(37, 13, 1, 1);call write~init~int(105, 13, 2, 1);call write~init~int(0, 13, 3, 1);call #Ultimate.allocInit(4, 14);call write~init~int(32, 14, 0, 1);call write~init~int(37, 14, 1, 1);call write~init~int(105, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(4, 15);call write~init~int(32, 15, 0, 1);call write~init~int(37, 15, 1, 1);call write~init~int(105, 15, 2, 1);call write~init~int(0, 15, 3, 1);call #Ultimate.allocInit(4, 16);call write~init~int(32, 16, 0, 1);call write~init~int(37, 16, 1, 1);call write~init~int(105, 16, 2, 1);call write~init~int(0, 16, 3, 1);call #Ultimate.allocInit(4, 17);call write~init~int(32, 17, 0, 1);call write~init~int(37, 17, 1, 1);call write~init~int(105, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(6, 18);call write~init~int(32, 18, 0, 1);call write~init~int(70, 18, 1, 1);call write~init~int(95, 18, 2, 1);call write~init~int(112, 18, 3, 1);call write~init~int(58, 18, 4, 1);call write~init~int(0, 18, 5, 1);call #Ultimate.allocInit(4, 19);call write~init~int(32, 19, 0, 1);call write~init~int(37, 19, 1, 1);call write~init~int(105, 19, 2, 1);call write~init~int(0, 19, 3, 1);call #Ultimate.allocInit(4, 20);call write~init~int(32, 20, 0, 1);call write~init~int(37, 20, 1, 1);call write~init~int(105, 20, 2, 1);call write~init~int(0, 20, 3, 1);call #Ultimate.allocInit(4, 21);call write~init~int(32, 21, 0, 1);call write~init~int(37, 21, 1, 1);call write~init~int(105, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(4, 22);call write~init~int(32, 22, 0, 1);call write~init~int(37, 22, 1, 1);call write~init~int(105, 22, 2, 1);call write~init~int(0, 22, 3, 1);call #Ultimate.allocInit(4, 23);call write~init~int(32, 23, 0, 1);call write~init~int(37, 23, 1, 1);call write~init~int(105, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(2, 24);call write~init~int(10, 24, 0, 1);call write~init~int(0, 24, 1, 1);call #Ultimate.allocInit(30, 25);call #Ultimate.allocInit(9, 26);call #Ultimate.allocInit(21, 27);call #Ultimate.allocInit(30, 28);call #Ultimate.allocInit(9, 29);call #Ultimate.allocInit(21, 30);call #Ultimate.allocInit(30, 31);call #Ultimate.allocInit(9, 32);call #Ultimate.allocInit(25, 33);call #Ultimate.allocInit(30, 34);call #Ultimate.allocInit(9, 35);call #Ultimate.allocInit(25, 36);~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~prevDir~0 := 0;~cleanupTimeShifts~0 := 12;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~calls_0~0 := 0;~calls_1~0 := 0;~calls_2~0 := 0;~calls_3~0 := 0;~calls_4~0 := 0;~personOnFloor_0_0~0 := 0;~personOnFloor_0_1~0 := 0;~personOnFloor_0_2~0 := 0;~personOnFloor_0_3~0 := 0;~personOnFloor_0_4~0 := 0;~personOnFloor_1_0~0 := 0;~personOnFloor_1_1~0 := 0;~personOnFloor_1_2~0 := 0;~personOnFloor_1_3~0 := 0;~personOnFloor_1_4~0 := 0;~personOnFloor_2_0~0 := 0;~personOnFloor_2_1~0 := 0;~personOnFloor_2_2~0 := 0;~personOnFloor_2_3~0 := 0;~personOnFloor_2_4~0 := 0;~personOnFloor_3_0~0 := 0;~personOnFloor_3_1~0 := 0;~personOnFloor_3_2~0 := 0;~personOnFloor_3_3~0 := 0;~personOnFloor_3_4~0 := 0;~personOnFloor_4_0~0 := 0;~personOnFloor_4_1~0 := 0;~personOnFloor_4_2~0 := 0;~personOnFloor_4_3~0 := 0;~personOnFloor_4_4~0 := 0;~personOnFloor_5_0~0 := 0;~personOnFloor_5_1~0 := 0;~personOnFloor_5_2~0 := 0;~personOnFloor_5_3~0 := 0;~personOnFloor_5_4~0 := 0; 507666#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret116#1, main_~retValue_acc~23#1, main_~tmp~25#1;havoc main_~retValue_acc~23#1;havoc main_~tmp~25#1;assume { :begin_inline_select_helpers } true; 507338#L2731 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 507339#L2724 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~28#1;havoc valid_product_~retValue_acc~28#1;valid_product_~retValue_acc~28#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~28#1; 504150#L2739 main_#t~ret116#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~25#1 := main_#t~ret116#1;havoc main_#t~ret116#1; 504151#L2329 assume 0 != main_~tmp~25#1;assume { :begin_inline_setup } true; 509572#L2303 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;assume { :begin_inline_aliceCall } true;havoc aliceCall_#t~ret105#1, aliceCall_~tmp~18#1;havoc aliceCall_~tmp~18#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~20#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~20#1; 503841#L1917 assume !(0 == getOrigin_~person#1); 503842#L1921 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~20#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~20#1; 509068#L1942 aliceCall_#t~ret105#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~18#1 := aliceCall_#t~ret105#1;havoc aliceCall_#t~ret105#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~18#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 509763#L3097 assume !(0 == initPersonOnFloor_~floor#1); 509678#L3124 assume !(1 == initPersonOnFloor_~floor#1); 501569#L3151 assume !(2 == initPersonOnFloor_~floor#1); 501570#L3178 assume 3 == initPersonOnFloor_~floor#1; 507923#L3179 assume !(0 == initPersonOnFloor_~person#1); 504421#L3182 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_3~0 := 1; 501706#L3205-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 507826#L2889 assume !(0 == callOnFloor_~floorID#1); 503305#L2892 assume !(1 == callOnFloor_~floorID#1); 503306#L2895 assume !(2 == callOnFloor_~floorID#1); 508125#L2898 assume 3 == callOnFloor_~floorID#1;~calls_3~0 := 1; 509613#L2901-2 assume { :end_inline_callOnFloor } true; 508897#L3241 assume { :end_inline_initPersonOnFloor } true; 508898#L2064 assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret106#1, angelinaCall_~tmp~19#1;havoc angelinaCall_~tmp~19#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~20#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~20#1; 509027#L1917-1 assume !(0 == getOrigin_~person#1); 505629#L1921-1 assume !(1 == getOrigin_~person#1); 503656#L1925-1 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~20#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~20#1; 503657#L1942-1 angelinaCall_#t~ret106#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~19#1 := angelinaCall_#t~ret106#1;havoc angelinaCall_#t~ret106#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~19#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 508350#L3097-1 assume !(0 == initPersonOnFloor_~floor#1); 504198#L3124-1 assume 1 == initPersonOnFloor_~floor#1; 504199#L3125-2 assume !(0 == initPersonOnFloor_~person#1); 509097#L3128-2 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_1~0 := 1; 504083#L3205-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 509806#L2889-2 assume !(0 == callOnFloor_~floorID#1); 509804#L2892-2 assume 1 == callOnFloor_~floorID#1;~calls_1~0 := 1; 506480#L2901-5 assume { :end_inline_callOnFloor } true; 505893#L3241-1 assume { :end_inline_initPersonOnFloor } true; 505894#L2075 assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret65#1, timeShift_#t~ret66#1, timeShift_#t~ret67#1, timeShift_#t~ret68#1, timeShift_#t~ret69#1, timeShift_#t~ret70#1, timeShift_#t~ret71#1, timeShift_#t~ret72#1, timeShift_#t~ret73#1, timeShift_#t~ret74#1, timeShift_#t~ret75#1, timeShift_~tmp~15#1, timeShift_~tmp___0~10#1, timeShift_~tmp___1~6#1, timeShift_~tmp___2~4#1, timeShift_~tmp___3~4#1, timeShift_~tmp___4~3#1, timeShift_~tmp___5~2#1, timeShift_~tmp___6~2#1, timeShift_~tmp___7~2#1, timeShift_~tmp___8~2#1, timeShift_~tmp___9~2#1;havoc timeShift_~tmp~15#1;havoc timeShift_~tmp___0~10#1;havoc timeShift_~tmp___1~6#1;havoc timeShift_~tmp___2~4#1;havoc timeShift_~tmp___3~4#1;havoc timeShift_~tmp___4~3#1;havoc timeShift_~tmp___5~2#1;havoc timeShift_~tmp___6~2#1;havoc timeShift_~tmp___7~2#1;havoc timeShift_~tmp___8~2#1;havoc timeShift_~tmp___9~2#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret4#1;assume { :begin_inline_getCurrentHeading } true;havoc getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~4#1;havoc getCurrentHeading_~retValue_acc~4#1;getCurrentHeading_~retValue_acc~4#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~4#1; 505320#L559 __utac_acc__Specification13_spec__1_#t~ret4#1 := getCurrentHeading_#res#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret4#1;havoc __utac_acc__Specification13_spec__1_#t~ret4#1; 505321#L90 assume { :end_inline___utac_acc__Specification13_spec__1 } true;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret49#1, stopRequestedAtCurrentFloor_#t~ret50#1, stopRequestedAtCurrentFloor_#t~ret51#1, stopRequestedAtCurrentFloor_#t~ret52#1, stopRequestedAtCurrentFloor_~retValue_acc~14#1, stopRequestedAtCurrentFloor_~tmp~13#1, stopRequestedAtCurrentFloor_~tmp___0~8#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~14#1;havoc stopRequestedAtCurrentFloor_~tmp~13#1;havoc stopRequestedAtCurrentFloor_~tmp___0~8#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret102#1, isExecutiveFloorCalling_~retValue_acc~17#1;havoc isExecutiveFloorCalling_~retValue_acc~17#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~29#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~29#1; 509453#L2826 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~29#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~29#1; 501827#L2853 isExecutiveFloorCalling_#t~ret102#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~17#1 := isExecutiveFloorCalling_#t~ret102#1;havoc isExecutiveFloorCalling_#t~ret102#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~17#1; 501828#L1860 stopRequestedAtCurrentFloor_#t~ret49#1 := isExecutiveFloorCalling_#res#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedAtCurrentFloor_~tmp~13#1 := stopRequestedAtCurrentFloor_#t~ret49#1;havoc stopRequestedAtCurrentFloor_#t~ret49#1; 505045#L1244 assume 0 != stopRequestedAtCurrentFloor_~tmp~13#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~1#1;havoc getCurrentFloorID_~retValue_acc~1#1;getCurrentFloorID_~retValue_acc~1#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~1#1; 505047#L507 stopRequestedAtCurrentFloor_#t~ret50#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedAtCurrentFloor_~tmp___0~8#1 := stopRequestedAtCurrentFloor_#t~ret50#1;havoc stopRequestedAtCurrentFloor_#t~ret50#1; 508151#L1248 assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~8#1);stopRequestedAtCurrentFloor_~retValue_acc~14#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~14#1; 507043#L1261 timeShift_#t~ret65#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret65#1;havoc timeShift_#t~ret65#1; 507610#L1397 assume !(0 != timeShift_~tmp___9~2#1); 507331#L1488 assume 1 == ~doorState~0;~doorState~0 := 0; 504194#L1488-2 assume { :begin_inline_stopRequestedInDirection } true;stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1 := ~currentHeading~0, 1, 1;havoc stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~10#1, stopRequestedInDirection_~tmp~9#1, stopRequestedInDirection_~tmp___0~5#1, stopRequestedInDirection_~__cil_tmp7~1#1, stopRequestedInDirection_~__cil_tmp8~2#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~10#1;havoc stopRequestedInDirection_~tmp~9#1;havoc stopRequestedInDirection_~tmp___0~5#1;havoc stopRequestedInDirection_~__cil_tmp7~1#1;havoc stopRequestedInDirection_~__cil_tmp8~2#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret102#1, isExecutiveFloorCalling_~retValue_acc~17#1;havoc isExecutiveFloorCalling_~retValue_acc~17#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~29#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~29#1; 504195#L2826-3 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~29#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~29#1; 506201#L2853-3 isExecutiveFloorCalling_#t~ret102#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~17#1 := isExecutiveFloorCalling_#t~ret102#1;havoc isExecutiveFloorCalling_#t~ret102#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~17#1; 506022#L1860-1 stopRequestedInDirection_#t~ret40#1 := isExecutiveFloorCalling_#res#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedInDirection_~tmp___0~5#1 := stopRequestedInDirection_#t~ret40#1;havoc stopRequestedInDirection_#t~ret40#1; 506023#L1099 assume 0 != stopRequestedInDirection_~tmp___0~5#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~1#1;havoc getCurrentFloorID_~retValue_acc~1#1;getCurrentFloorID_~retValue_acc~1#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~1#1; 507975#L507-3 stopRequestedInDirection_#t~ret41#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedInDirection_~tmp~9#1 := stopRequestedInDirection_#t~ret41#1;havoc stopRequestedInDirection_#t~ret41#1;stopRequestedInDirection_~__cil_tmp7~1#1 := (if 1 == stopRequestedInDirection_~dir#1 then 1 else 0);stopRequestedInDirection_~__cil_tmp8~2#1 := (if stopRequestedInDirection_~tmp~9#1 < ~executiveFloor~0 then 1 else 0);stopRequestedInDirection_~retValue_acc~10#1 := (if stopRequestedInDirection_~__cil_tmp8~2#1 == stopRequestedInDirection_~__cil_tmp7~1#1 then 1 else 0);stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~10#1; 502839#L1112 timeShift_#t~ret72#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret72#1;havoc timeShift_#t~ret72#1; 500551#L1496 assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret43#1, continueInDirection_~dir#1, continueInDirection_~tmp~10#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~10#1;~currentHeading~0 := continueInDirection_~dir#1; 500552#L1156 assume !(1 == ~currentHeading~0); 500602#L1166 assume !(0 == ~currentFloorID~0); 500603#L1166-2 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 505039#L1172-1 assume { :end_inline_continueInDirection } true; 508680#L1505-2 assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret5#1, __utac_acc__Specification13_spec__2_#t~ret6#1, __utac_acc__Specification13_spec__2_#t~ret7#1, __utac_acc__Specification13_spec__2_#t~ret8#1, __utac_acc__Specification13_spec__2_#t~ret9#1, __utac_acc__Specification13_spec__2_#t~ret10#1, __utac_acc__Specification13_spec__2_~tmp~0#1, __utac_acc__Specification13_spec__2_~tmp___0~0#1, __utac_acc__Specification13_spec__2_~tmp___1~0#1, __utac_acc__Specification13_spec__2_~tmp___2~0#1, __utac_acc__Specification13_spec__2_~tmp___3~0#1, __utac_acc__Specification13_spec__2_~tmp___4~0#1, __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1, __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1;havoc __utac_acc__Specification13_spec__2_~tmp~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___1~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___2~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___3~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___4~0#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1;__utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 := 2 * ~maximumWeight~0;__utac_acc__Specification13_spec__2_~__cil_tmp8~0#1 := (if __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 < 0 && 0 != __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 % 3 then 1 + __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 / 3 else __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 / 3); 503038#L108 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1; 503040#L109 assume 1 == ~prevDir~0;assume { :begin_inline_existInLiftCallsInDirection } true;existInLiftCallsInDirection_#in~d#1 := 0;havoc existInLiftCallsInDirection_#res#1;havoc existInLiftCallsInDirection_~d#1, existInLiftCallsInDirection_~retValue_acc~16#1, existInLiftCallsInDirection_~i~2#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~16#1;havoc existInLiftCallsInDirection_~i~2#1;havoc existInLiftCallsInDirection_~i___0~0#1; 502272#L1700 assume !(1 == existInLiftCallsInDirection_~d#1); 502273#L1766 assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1; 507560#L1770-2 [2021-12-16 09:50:36,819 INFO L793 eck$LassoCheckResult]: Loop: 507560#L1770-2 assume !false; 503633#L1771 assume existInLiftCallsInDirection_~i___0~0#1 >= 0; 503634#L1772 existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0; 500508#L1779-2 assume !false; 506869#L1780 assume !(existInLiftCallsInDirection_~i___0~0#1 < 5); 506871#L1838 existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1; 507560#L1770-2 [2021-12-16 09:50:36,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:50:36,819 INFO L85 PathProgramCache]: Analyzing trace with hash -1877153083, now seen corresponding path program 1 times [2021-12-16 09:50:36,820 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:50:36,820 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876615495] [2021-12-16 09:50:36,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:50:36,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:50:36,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:50:36,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 09:50:36,850 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 09:50:36,850 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876615495] [2021-12-16 09:50:36,850 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876615495] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 09:50:36,850 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 09:50:36,850 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 09:50:36,851 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755751033] [2021-12-16 09:50:36,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 09:50:36,851 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-16 09:50:36,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:50:36,851 INFO L85 PathProgramCache]: Analyzing trace with hash -1087190869, now seen corresponding path program 7 times [2021-12-16 09:50:36,852 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:50:36,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314664111] [2021-12-16 09:50:36,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:50:36,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:50:36,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:50:36,855 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:50:36,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:50:36,857 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:50:36,869 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 09:50:36,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 09:50:36,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-16 09:50:36,870 INFO L87 Difference]: Start difference. First operand 9463 states and 17587 transitions. cyclomatic complexity: 8159 Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 09:50:37,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 09:50:37,202 INFO L93 Difference]: Finished difference Result 20745 states and 38593 transitions. [2021-12-16 09:50:37,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 09:50:37,203 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20745 states and 38593 transitions. [2021-12-16 09:50:37,281 INFO L131 ngComponentsAnalysis]: Automaton has 60 accepting balls. 8420 [2021-12-16 09:50:37,342 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20745 states to 20745 states and 38593 transitions. [2021-12-16 09:50:37,342 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20707 [2021-12-16 09:50:37,362 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20707 [2021-12-16 09:50:37,362 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20745 states and 38593 transitions. [2021-12-16 09:50:37,370 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-16 09:50:37,370 INFO L681 BuchiCegarLoop]: Abstraction has 20745 states and 38593 transitions. [2021-12-16 09:50:37,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20745 states and 38593 transitions. [2021-12-16 09:50:37,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20745 to 9457. [2021-12-16 09:50:37,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9457 states, 9457 states have (on average 1.858306016707201) internal successors, (17574), 9456 states have internal predecessors, (17574), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 09:50:37,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9457 states to 9457 states and 17574 transitions. [2021-12-16 09:50:37,544 INFO L704 BuchiCegarLoop]: Abstraction has 9457 states and 17574 transitions. [2021-12-16 09:50:37,544 INFO L587 BuchiCegarLoop]: Abstraction has 9457 states and 17574 transitions. [2021-12-16 09:50:37,545 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-12-16 09:50:37,545 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9457 states and 17574 transitions. [2021-12-16 09:50:37,570 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 2381 [2021-12-16 09:50:37,571 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 09:50:37,571 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 09:50:37,571 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 09:50:37,571 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-12-16 09:50:37,572 INFO L791 eck$LassoCheckResult]: Stem: 539703#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(32, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(10, 4);call #Ultimate.allocInit(4, 5);call write~init~int(91, 5, 0, 1);call write~init~int(95, 5, 1, 1);call write~init~int(93, 5, 2, 1);call write~init~int(0, 5, 3, 1);call #Ultimate.allocInit(4, 6);call write~init~int(91, 6, 0, 1);call write~init~int(93, 6, 1, 1);call write~init~int(32, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(5, 7);call write~init~int(32, 7, 0, 1);call write~init~int(97, 7, 1, 1);call write~init~int(116, 7, 2, 1);call write~init~int(32, 7, 3, 1);call write~init~int(0, 7, 4, 1);call #Ultimate.allocInit(3, 8);call write~init~int(37, 8, 0, 1);call write~init~int(105, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(10, 9);call #Ultimate.allocInit(3, 10);call write~init~int(117, 10, 0, 1);call write~init~int(112, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(5, 11);call write~init~int(100, 11, 0, 1);call write~init~int(111, 11, 1, 1);call write~init~int(119, 11, 2, 1);call write~init~int(110, 11, 3, 1);call write~init~int(0, 11, 4, 1);call #Ultimate.allocInit(7, 12);call write~init~int(32, 12, 0, 1);call write~init~int(73, 12, 1, 1);call write~init~int(76, 12, 2, 1);call write~init~int(95, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(4, 13);call write~init~int(32, 13, 0, 1);call write~init~int(37, 13, 1, 1);call write~init~int(105, 13, 2, 1);call write~init~int(0, 13, 3, 1);call #Ultimate.allocInit(4, 14);call write~init~int(32, 14, 0, 1);call write~init~int(37, 14, 1, 1);call write~init~int(105, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(4, 15);call write~init~int(32, 15, 0, 1);call write~init~int(37, 15, 1, 1);call write~init~int(105, 15, 2, 1);call write~init~int(0, 15, 3, 1);call #Ultimate.allocInit(4, 16);call write~init~int(32, 16, 0, 1);call write~init~int(37, 16, 1, 1);call write~init~int(105, 16, 2, 1);call write~init~int(0, 16, 3, 1);call #Ultimate.allocInit(4, 17);call write~init~int(32, 17, 0, 1);call write~init~int(37, 17, 1, 1);call write~init~int(105, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(6, 18);call write~init~int(32, 18, 0, 1);call write~init~int(70, 18, 1, 1);call write~init~int(95, 18, 2, 1);call write~init~int(112, 18, 3, 1);call write~init~int(58, 18, 4, 1);call write~init~int(0, 18, 5, 1);call #Ultimate.allocInit(4, 19);call write~init~int(32, 19, 0, 1);call write~init~int(37, 19, 1, 1);call write~init~int(105, 19, 2, 1);call write~init~int(0, 19, 3, 1);call #Ultimate.allocInit(4, 20);call write~init~int(32, 20, 0, 1);call write~init~int(37, 20, 1, 1);call write~init~int(105, 20, 2, 1);call write~init~int(0, 20, 3, 1);call #Ultimate.allocInit(4, 21);call write~init~int(32, 21, 0, 1);call write~init~int(37, 21, 1, 1);call write~init~int(105, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(4, 22);call write~init~int(32, 22, 0, 1);call write~init~int(37, 22, 1, 1);call write~init~int(105, 22, 2, 1);call write~init~int(0, 22, 3, 1);call #Ultimate.allocInit(4, 23);call write~init~int(32, 23, 0, 1);call write~init~int(37, 23, 1, 1);call write~init~int(105, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(2, 24);call write~init~int(10, 24, 0, 1);call write~init~int(0, 24, 1, 1);call #Ultimate.allocInit(30, 25);call #Ultimate.allocInit(9, 26);call #Ultimate.allocInit(21, 27);call #Ultimate.allocInit(30, 28);call #Ultimate.allocInit(9, 29);call #Ultimate.allocInit(21, 30);call #Ultimate.allocInit(30, 31);call #Ultimate.allocInit(9, 32);call #Ultimate.allocInit(25, 33);call #Ultimate.allocInit(30, 34);call #Ultimate.allocInit(9, 35);call #Ultimate.allocInit(25, 36);~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~prevDir~0 := 0;~cleanupTimeShifts~0 := 12;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~calls_0~0 := 0;~calls_1~0 := 0;~calls_2~0 := 0;~calls_3~0 := 0;~calls_4~0 := 0;~personOnFloor_0_0~0 := 0;~personOnFloor_0_1~0 := 0;~personOnFloor_0_2~0 := 0;~personOnFloor_0_3~0 := 0;~personOnFloor_0_4~0 := 0;~personOnFloor_1_0~0 := 0;~personOnFloor_1_1~0 := 0;~personOnFloor_1_2~0 := 0;~personOnFloor_1_3~0 := 0;~personOnFloor_1_4~0 := 0;~personOnFloor_2_0~0 := 0;~personOnFloor_2_1~0 := 0;~personOnFloor_2_2~0 := 0;~personOnFloor_2_3~0 := 0;~personOnFloor_2_4~0 := 0;~personOnFloor_3_0~0 := 0;~personOnFloor_3_1~0 := 0;~personOnFloor_3_2~0 := 0;~personOnFloor_3_3~0 := 0;~personOnFloor_3_4~0 := 0;~personOnFloor_4_0~0 := 0;~personOnFloor_4_1~0 := 0;~personOnFloor_4_2~0 := 0;~personOnFloor_4_3~0 := 0;~personOnFloor_4_4~0 := 0;~personOnFloor_5_0~0 := 0;~personOnFloor_5_1~0 := 0;~personOnFloor_5_2~0 := 0;~personOnFloor_5_3~0 := 0;~personOnFloor_5_4~0 := 0; 537888#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret116#1, main_~retValue_acc~23#1, main_~tmp~25#1;havoc main_~retValue_acc~23#1;havoc main_~tmp~25#1;assume { :begin_inline_select_helpers } true; 537560#L2731 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 537561#L2724 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~28#1;havoc valid_product_~retValue_acc~28#1;valid_product_~retValue_acc~28#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~28#1; 534371#L2739 main_#t~ret116#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~25#1 := main_#t~ret116#1;havoc main_#t~ret116#1; 534372#L2329 assume 0 != main_~tmp~25#1;assume { :begin_inline_setup } true; 539790#L2303 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;assume { :begin_inline_aliceCall } true;havoc aliceCall_#t~ret105#1, aliceCall_~tmp~18#1;havoc aliceCall_~tmp~18#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~20#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~20#1; 534065#L1917 assume !(0 == getOrigin_~person#1); 534066#L1921 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~20#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~20#1; 539289#L1942 aliceCall_#t~ret105#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~18#1 := aliceCall_#t~ret105#1;havoc aliceCall_#t~ret105#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~18#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 539983#L3097 assume !(0 == initPersonOnFloor_~floor#1); 539896#L3124 assume !(1 == initPersonOnFloor_~floor#1); 531791#L3151 assume !(2 == initPersonOnFloor_~floor#1); 531792#L3178 assume 3 == initPersonOnFloor_~floor#1; 538145#L3179 assume !(0 == initPersonOnFloor_~person#1); 534641#L3182 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_3~0 := 1; 531930#L3205-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 538048#L2889 assume !(0 == callOnFloor_~floorID#1); 533529#L2892 assume !(1 == callOnFloor_~floorID#1); 533530#L2895 assume !(2 == callOnFloor_~floorID#1); 538347#L2898 assume 3 == callOnFloor_~floorID#1;~calls_3~0 := 1; 539831#L2901-2 assume { :end_inline_callOnFloor } true; 539120#L3241 assume { :end_inline_initPersonOnFloor } true; 539121#L2064 assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret106#1, angelinaCall_~tmp~19#1;havoc angelinaCall_~tmp~19#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~20#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~20#1; 539248#L1917-1 assume !(0 == getOrigin_~person#1); 535849#L1921-1 assume !(1 == getOrigin_~person#1); 533880#L1925-1 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~20#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~20#1; 533881#L1942-1 angelinaCall_#t~ret106#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~19#1 := angelinaCall_#t~ret106#1;havoc angelinaCall_#t~ret106#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~19#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 538572#L3097-1 assume !(0 == initPersonOnFloor_~floor#1); 534419#L3124-1 assume !(1 == initPersonOnFloor_~floor#1); 534420#L3151-1 assume 2 == initPersonOnFloor_~floor#1; 534896#L3152-2 assume !(0 == initPersonOnFloor_~person#1); 534897#L3155-2 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_2~0 := 1; 535062#L3205-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 535063#L2889-2 assume !(0 == callOnFloor_~floorID#1); 537245#L2892-2 assume !(1 == callOnFloor_~floorID#1); 537246#L2895-2 assume 2 == callOnFloor_~floorID#1;~calls_2~0 := 1; 536700#L2901-5 assume { :end_inline_callOnFloor } true; 536113#L3241-1 assume { :end_inline_initPersonOnFloor } true; 536114#L2075 assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret65#1, timeShift_#t~ret66#1, timeShift_#t~ret67#1, timeShift_#t~ret68#1, timeShift_#t~ret69#1, timeShift_#t~ret70#1, timeShift_#t~ret71#1, timeShift_#t~ret72#1, timeShift_#t~ret73#1, timeShift_#t~ret74#1, timeShift_#t~ret75#1, timeShift_~tmp~15#1, timeShift_~tmp___0~10#1, timeShift_~tmp___1~6#1, timeShift_~tmp___2~4#1, timeShift_~tmp___3~4#1, timeShift_~tmp___4~3#1, timeShift_~tmp___5~2#1, timeShift_~tmp___6~2#1, timeShift_~tmp___7~2#1, timeShift_~tmp___8~2#1, timeShift_~tmp___9~2#1;havoc timeShift_~tmp~15#1;havoc timeShift_~tmp___0~10#1;havoc timeShift_~tmp___1~6#1;havoc timeShift_~tmp___2~4#1;havoc timeShift_~tmp___3~4#1;havoc timeShift_~tmp___4~3#1;havoc timeShift_~tmp___5~2#1;havoc timeShift_~tmp___6~2#1;havoc timeShift_~tmp___7~2#1;havoc timeShift_~tmp___8~2#1;havoc timeShift_~tmp___9~2#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret4#1;assume { :begin_inline_getCurrentHeading } true;havoc getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~4#1;havoc getCurrentHeading_~retValue_acc~4#1;getCurrentHeading_~retValue_acc~4#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~4#1; 535540#L559 __utac_acc__Specification13_spec__1_#t~ret4#1 := getCurrentHeading_#res#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret4#1;havoc __utac_acc__Specification13_spec__1_#t~ret4#1; 535541#L90 assume { :end_inline___utac_acc__Specification13_spec__1 } true;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret49#1, stopRequestedAtCurrentFloor_#t~ret50#1, stopRequestedAtCurrentFloor_#t~ret51#1, stopRequestedAtCurrentFloor_#t~ret52#1, stopRequestedAtCurrentFloor_~retValue_acc~14#1, stopRequestedAtCurrentFloor_~tmp~13#1, stopRequestedAtCurrentFloor_~tmp___0~8#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~14#1;havoc stopRequestedAtCurrentFloor_~tmp~13#1;havoc stopRequestedAtCurrentFloor_~tmp___0~8#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret102#1, isExecutiveFloorCalling_~retValue_acc~17#1;havoc isExecutiveFloorCalling_~retValue_acc~17#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~29#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~29#1; 539671#L2826 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~29#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~29#1; 532051#L2853 isExecutiveFloorCalling_#t~ret102#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~17#1 := isExecutiveFloorCalling_#t~ret102#1;havoc isExecutiveFloorCalling_#t~ret102#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~17#1; 532052#L1860 stopRequestedAtCurrentFloor_#t~ret49#1 := isExecutiveFloorCalling_#res#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedAtCurrentFloor_~tmp~13#1 := stopRequestedAtCurrentFloor_#t~ret49#1;havoc stopRequestedAtCurrentFloor_#t~ret49#1; 535266#L1244 assume 0 != stopRequestedAtCurrentFloor_~tmp~13#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~1#1;havoc getCurrentFloorID_~retValue_acc~1#1;getCurrentFloorID_~retValue_acc~1#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~1#1; 535268#L507 stopRequestedAtCurrentFloor_#t~ret50#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedAtCurrentFloor_~tmp___0~8#1 := stopRequestedAtCurrentFloor_#t~ret50#1;havoc stopRequestedAtCurrentFloor_#t~ret50#1; 538373#L1248 assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~8#1);stopRequestedAtCurrentFloor_~retValue_acc~14#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~14#1; 537264#L1261 timeShift_#t~ret65#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret65#1;havoc timeShift_#t~ret65#1; 537832#L1397 assume !(0 != timeShift_~tmp___9~2#1); 537553#L1488 assume 1 == ~doorState~0;~doorState~0 := 0; 534415#L1488-2 assume { :begin_inline_stopRequestedInDirection } true;stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1 := ~currentHeading~0, 1, 1;havoc stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~10#1, stopRequestedInDirection_~tmp~9#1, stopRequestedInDirection_~tmp___0~5#1, stopRequestedInDirection_~__cil_tmp7~1#1, stopRequestedInDirection_~__cil_tmp8~2#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~10#1;havoc stopRequestedInDirection_~tmp~9#1;havoc stopRequestedInDirection_~tmp___0~5#1;havoc stopRequestedInDirection_~__cil_tmp7~1#1;havoc stopRequestedInDirection_~__cil_tmp8~2#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret102#1, isExecutiveFloorCalling_~retValue_acc~17#1;havoc isExecutiveFloorCalling_~retValue_acc~17#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~29#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~29#1; 534416#L2826-3 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~29#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~29#1; 536421#L2853-3 isExecutiveFloorCalling_#t~ret102#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~17#1 := isExecutiveFloorCalling_#t~ret102#1;havoc isExecutiveFloorCalling_#t~ret102#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~17#1; 536242#L1860-1 stopRequestedInDirection_#t~ret40#1 := isExecutiveFloorCalling_#res#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedInDirection_~tmp___0~5#1 := stopRequestedInDirection_#t~ret40#1;havoc stopRequestedInDirection_#t~ret40#1; 536243#L1099 assume 0 != stopRequestedInDirection_~tmp___0~5#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~1#1;havoc getCurrentFloorID_~retValue_acc~1#1;getCurrentFloorID_~retValue_acc~1#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~1#1; 538197#L507-3 stopRequestedInDirection_#t~ret41#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedInDirection_~tmp~9#1 := stopRequestedInDirection_#t~ret41#1;havoc stopRequestedInDirection_#t~ret41#1;stopRequestedInDirection_~__cil_tmp7~1#1 := (if 1 == stopRequestedInDirection_~dir#1 then 1 else 0);stopRequestedInDirection_~__cil_tmp8~2#1 := (if stopRequestedInDirection_~tmp~9#1 < ~executiveFloor~0 then 1 else 0);stopRequestedInDirection_~retValue_acc~10#1 := (if stopRequestedInDirection_~__cil_tmp8~2#1 == stopRequestedInDirection_~__cil_tmp7~1#1 then 1 else 0);stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~10#1; 533063#L1112 timeShift_#t~ret72#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret72#1;havoc timeShift_#t~ret72#1; 530775#L1496 assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret43#1, continueInDirection_~dir#1, continueInDirection_~tmp~10#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~10#1;~currentHeading~0 := continueInDirection_~dir#1; 530776#L1156 assume !(1 == ~currentHeading~0); 530826#L1166 assume !(0 == ~currentFloorID~0); 530827#L1166-2 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 535260#L1172-1 assume { :end_inline_continueInDirection } true; 538903#L1505-2 assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret5#1, __utac_acc__Specification13_spec__2_#t~ret6#1, __utac_acc__Specification13_spec__2_#t~ret7#1, __utac_acc__Specification13_spec__2_#t~ret8#1, __utac_acc__Specification13_spec__2_#t~ret9#1, __utac_acc__Specification13_spec__2_#t~ret10#1, __utac_acc__Specification13_spec__2_~tmp~0#1, __utac_acc__Specification13_spec__2_~tmp___0~0#1, __utac_acc__Specification13_spec__2_~tmp___1~0#1, __utac_acc__Specification13_spec__2_~tmp___2~0#1, __utac_acc__Specification13_spec__2_~tmp___3~0#1, __utac_acc__Specification13_spec__2_~tmp___4~0#1, __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1, __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1;havoc __utac_acc__Specification13_spec__2_~tmp~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___1~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___2~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___3~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___4~0#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1;__utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 := 2 * ~maximumWeight~0;__utac_acc__Specification13_spec__2_~__cil_tmp8~0#1 := (if __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 < 0 && 0 != __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 % 3 then 1 + __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 / 3 else __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 / 3); 533262#L108 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1; 533264#L109 assume 1 == ~prevDir~0;assume { :begin_inline_existInLiftCallsInDirection } true;existInLiftCallsInDirection_#in~d#1 := 0;havoc existInLiftCallsInDirection_#res#1;havoc existInLiftCallsInDirection_~d#1, existInLiftCallsInDirection_~retValue_acc~16#1, existInLiftCallsInDirection_~i~2#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~16#1;havoc existInLiftCallsInDirection_~i~2#1;havoc existInLiftCallsInDirection_~i___0~0#1; 532496#L1700 assume !(1 == existInLiftCallsInDirection_~d#1); 532497#L1766 assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1; 537782#L1770-2 [2021-12-16 09:50:37,572 INFO L793 eck$LassoCheckResult]: Loop: 537782#L1770-2 assume !false; 533857#L1771 assume existInLiftCallsInDirection_~i___0~0#1 >= 0; 533858#L1772 existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0; 530732#L1779-2 assume !false; 537089#L1780 assume !(existInLiftCallsInDirection_~i___0~0#1 < 5); 537091#L1838 existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1; 537782#L1770-2 [2021-12-16 09:50:37,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:50:37,572 INFO L85 PathProgramCache]: Analyzing trace with hash -2042376538, now seen corresponding path program 1 times [2021-12-16 09:50:37,572 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:50:37,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620741988] [2021-12-16 09:50:37,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:50:37,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:50:37,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:50:37,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 09:50:37,601 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 09:50:37,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620741988] [2021-12-16 09:50:37,602 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620741988] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 09:50:37,602 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 09:50:37,602 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-16 09:50:37,602 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559737982] [2021-12-16 09:50:37,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 09:50:37,602 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-16 09:50:37,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:50:37,603 INFO L85 PathProgramCache]: Analyzing trace with hash -1087190869, now seen corresponding path program 8 times [2021-12-16 09:50:37,603 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:50:37,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103192632] [2021-12-16 09:50:37,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:50:37,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:50:37,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:50:37,606 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:50:37,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:50:37,609 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:50:37,622 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 09:50:37,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-16 09:50:37,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-16 09:50:37,623 INFO L87 Difference]: Start difference. First operand 9457 states and 17574 transitions. cyclomatic complexity: 8152 Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 09:50:37,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 09:50:37,906 INFO L93 Difference]: Finished difference Result 13244 states and 24603 transitions. [2021-12-16 09:50:37,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-16 09:50:37,907 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13244 states and 24603 transitions. [2021-12-16 09:50:37,965 INFO L131 ngComponentsAnalysis]: Automaton has 42 accepting balls. 4394 [2021-12-16 09:50:38,004 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13244 states to 13244 states and 24603 transitions. [2021-12-16 09:50:38,005 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13206 [2021-12-16 09:50:38,014 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13206 [2021-12-16 09:50:38,015 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13244 states and 24603 transitions. [2021-12-16 09:50:38,015 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-16 09:50:38,015 INFO L681 BuchiCegarLoop]: Abstraction has 13244 states and 24603 transitions. [2021-12-16 09:50:38,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13244 states and 24603 transitions. [2021-12-16 09:50:38,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13244 to 9457. [2021-12-16 09:50:38,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9457 states, 9457 states have (on average 1.8574600824785872) internal successors, (17566), 9456 states have internal predecessors, (17566), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 09:50:38,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9457 states to 9457 states and 17566 transitions. [2021-12-16 09:50:38,143 INFO L704 BuchiCegarLoop]: Abstraction has 9457 states and 17566 transitions. [2021-12-16 09:50:38,143 INFO L587 BuchiCegarLoop]: Abstraction has 9457 states and 17566 transitions. [2021-12-16 09:50:38,143 INFO L425 BuchiCegarLoop]: ======== Iteration 11============ [2021-12-16 09:50:38,143 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9457 states and 17566 transitions. [2021-12-16 09:50:38,167 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 2381 [2021-12-16 09:50:38,167 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 09:50:38,167 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 09:50:38,168 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 09:50:38,168 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-12-16 09:50:38,168 INFO L791 eck$LassoCheckResult]: Stem: 562410#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(32, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(10, 4);call #Ultimate.allocInit(4, 5);call write~init~int(91, 5, 0, 1);call write~init~int(95, 5, 1, 1);call write~init~int(93, 5, 2, 1);call write~init~int(0, 5, 3, 1);call #Ultimate.allocInit(4, 6);call write~init~int(91, 6, 0, 1);call write~init~int(93, 6, 1, 1);call write~init~int(32, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(5, 7);call write~init~int(32, 7, 0, 1);call write~init~int(97, 7, 1, 1);call write~init~int(116, 7, 2, 1);call write~init~int(32, 7, 3, 1);call write~init~int(0, 7, 4, 1);call #Ultimate.allocInit(3, 8);call write~init~int(37, 8, 0, 1);call write~init~int(105, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(10, 9);call #Ultimate.allocInit(3, 10);call write~init~int(117, 10, 0, 1);call write~init~int(112, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(5, 11);call write~init~int(100, 11, 0, 1);call write~init~int(111, 11, 1, 1);call write~init~int(119, 11, 2, 1);call write~init~int(110, 11, 3, 1);call write~init~int(0, 11, 4, 1);call #Ultimate.allocInit(7, 12);call write~init~int(32, 12, 0, 1);call write~init~int(73, 12, 1, 1);call write~init~int(76, 12, 2, 1);call write~init~int(95, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(4, 13);call write~init~int(32, 13, 0, 1);call write~init~int(37, 13, 1, 1);call write~init~int(105, 13, 2, 1);call write~init~int(0, 13, 3, 1);call #Ultimate.allocInit(4, 14);call write~init~int(32, 14, 0, 1);call write~init~int(37, 14, 1, 1);call write~init~int(105, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(4, 15);call write~init~int(32, 15, 0, 1);call write~init~int(37, 15, 1, 1);call write~init~int(105, 15, 2, 1);call write~init~int(0, 15, 3, 1);call #Ultimate.allocInit(4, 16);call write~init~int(32, 16, 0, 1);call write~init~int(37, 16, 1, 1);call write~init~int(105, 16, 2, 1);call write~init~int(0, 16, 3, 1);call #Ultimate.allocInit(4, 17);call write~init~int(32, 17, 0, 1);call write~init~int(37, 17, 1, 1);call write~init~int(105, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(6, 18);call write~init~int(32, 18, 0, 1);call write~init~int(70, 18, 1, 1);call write~init~int(95, 18, 2, 1);call write~init~int(112, 18, 3, 1);call write~init~int(58, 18, 4, 1);call write~init~int(0, 18, 5, 1);call #Ultimate.allocInit(4, 19);call write~init~int(32, 19, 0, 1);call write~init~int(37, 19, 1, 1);call write~init~int(105, 19, 2, 1);call write~init~int(0, 19, 3, 1);call #Ultimate.allocInit(4, 20);call write~init~int(32, 20, 0, 1);call write~init~int(37, 20, 1, 1);call write~init~int(105, 20, 2, 1);call write~init~int(0, 20, 3, 1);call #Ultimate.allocInit(4, 21);call write~init~int(32, 21, 0, 1);call write~init~int(37, 21, 1, 1);call write~init~int(105, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(4, 22);call write~init~int(32, 22, 0, 1);call write~init~int(37, 22, 1, 1);call write~init~int(105, 22, 2, 1);call write~init~int(0, 22, 3, 1);call #Ultimate.allocInit(4, 23);call write~init~int(32, 23, 0, 1);call write~init~int(37, 23, 1, 1);call write~init~int(105, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(2, 24);call write~init~int(10, 24, 0, 1);call write~init~int(0, 24, 1, 1);call #Ultimate.allocInit(30, 25);call #Ultimate.allocInit(9, 26);call #Ultimate.allocInit(21, 27);call #Ultimate.allocInit(30, 28);call #Ultimate.allocInit(9, 29);call #Ultimate.allocInit(21, 30);call #Ultimate.allocInit(30, 31);call #Ultimate.allocInit(9, 32);call #Ultimate.allocInit(25, 33);call #Ultimate.allocInit(30, 34);call #Ultimate.allocInit(9, 35);call #Ultimate.allocInit(25, 36);~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~prevDir~0 := 0;~cleanupTimeShifts~0 := 12;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~calls_0~0 := 0;~calls_1~0 := 0;~calls_2~0 := 0;~calls_3~0 := 0;~calls_4~0 := 0;~personOnFloor_0_0~0 := 0;~personOnFloor_0_1~0 := 0;~personOnFloor_0_2~0 := 0;~personOnFloor_0_3~0 := 0;~personOnFloor_0_4~0 := 0;~personOnFloor_1_0~0 := 0;~personOnFloor_1_1~0 := 0;~personOnFloor_1_2~0 := 0;~personOnFloor_1_3~0 := 0;~personOnFloor_1_4~0 := 0;~personOnFloor_2_0~0 := 0;~personOnFloor_2_1~0 := 0;~personOnFloor_2_2~0 := 0;~personOnFloor_2_3~0 := 0;~personOnFloor_2_4~0 := 0;~personOnFloor_3_0~0 := 0;~personOnFloor_3_1~0 := 0;~personOnFloor_3_2~0 := 0;~personOnFloor_3_3~0 := 0;~personOnFloor_3_4~0 := 0;~personOnFloor_4_0~0 := 0;~personOnFloor_4_1~0 := 0;~personOnFloor_4_2~0 := 0;~personOnFloor_4_3~0 := 0;~personOnFloor_4_4~0 := 0;~personOnFloor_5_0~0 := 0;~personOnFloor_5_1~0 := 0;~personOnFloor_5_2~0 := 0;~personOnFloor_5_3~0 := 0;~personOnFloor_5_4~0 := 0; 560594#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret116#1, main_~retValue_acc~23#1, main_~tmp~25#1;havoc main_~retValue_acc~23#1;havoc main_~tmp~25#1;assume { :begin_inline_select_helpers } true; 560265#L2731 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 560266#L2724 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~28#1;havoc valid_product_~retValue_acc~28#1;valid_product_~retValue_acc~28#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~28#1; 557082#L2739 main_#t~ret116#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~25#1 := main_#t~ret116#1;havoc main_#t~ret116#1; 557083#L2329 assume 0 != main_~tmp~25#1;assume { :begin_inline_setup } true; 562497#L2303 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;assume { :begin_inline_aliceCall } true;havoc aliceCall_#t~ret105#1, aliceCall_~tmp~18#1;havoc aliceCall_~tmp~18#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~20#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~20#1; 556776#L1917 assume !(0 == getOrigin_~person#1); 556777#L1921 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~20#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~20#1; 561996#L1942 aliceCall_#t~ret105#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~18#1 := aliceCall_#t~ret105#1;havoc aliceCall_#t~ret105#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~18#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 562688#L3097 assume !(0 == initPersonOnFloor_~floor#1); 562603#L3124 assume !(1 == initPersonOnFloor_~floor#1); 554502#L3151 assume !(2 == initPersonOnFloor_~floor#1); 554503#L3178 assume 3 == initPersonOnFloor_~floor#1; 560851#L3179 assume !(0 == initPersonOnFloor_~person#1); 557351#L3182 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_3~0 := 1; 554641#L3205-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 560754#L2889 assume !(0 == callOnFloor_~floorID#1); 556240#L2892 assume !(1 == callOnFloor_~floorID#1); 556241#L2895 assume !(2 == callOnFloor_~floorID#1); 561053#L2898 assume 3 == callOnFloor_~floorID#1;~calls_3~0 := 1; 562538#L2901-2 assume { :end_inline_callOnFloor } true; 561827#L3241 assume { :end_inline_initPersonOnFloor } true; 561828#L2064 assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret106#1, angelinaCall_~tmp~19#1;havoc angelinaCall_~tmp~19#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~20#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~20#1; 561955#L1917-1 assume !(0 == getOrigin_~person#1); 558558#L1921-1 assume !(1 == getOrigin_~person#1); 556591#L1925-1 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~20#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~20#1; 556592#L1942-1 angelinaCall_#t~ret106#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~19#1 := angelinaCall_#t~ret106#1;havoc angelinaCall_#t~ret106#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~19#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 561278#L3097-1 assume !(0 == initPersonOnFloor_~floor#1); 557130#L3124-1 assume !(1 == initPersonOnFloor_~floor#1); 557131#L3151-1 assume 2 == initPersonOnFloor_~floor#1; 557604#L3152-2 assume !(0 == initPersonOnFloor_~person#1); 557605#L3155-2 assume !(1 == initPersonOnFloor_~person#1); 560105#L3158-2 assume 2 == initPersonOnFloor_~person#1;~personOnFloor_2_2~0 := 1; 558146#L3205-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 562739#L2889-2 assume !(0 == callOnFloor_~floorID#1); 562738#L2892-2 assume !(1 == callOnFloor_~floorID#1); 562737#L2895-2 assume 2 == callOnFloor_~floorID#1;~calls_2~0 := 1; 559409#L2901-5 assume { :end_inline_callOnFloor } true; 558821#L3241-1 assume { :end_inline_initPersonOnFloor } true; 558822#L2075 assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret65#1, timeShift_#t~ret66#1, timeShift_#t~ret67#1, timeShift_#t~ret68#1, timeShift_#t~ret69#1, timeShift_#t~ret70#1, timeShift_#t~ret71#1, timeShift_#t~ret72#1, timeShift_#t~ret73#1, timeShift_#t~ret74#1, timeShift_#t~ret75#1, timeShift_~tmp~15#1, timeShift_~tmp___0~10#1, timeShift_~tmp___1~6#1, timeShift_~tmp___2~4#1, timeShift_~tmp___3~4#1, timeShift_~tmp___4~3#1, timeShift_~tmp___5~2#1, timeShift_~tmp___6~2#1, timeShift_~tmp___7~2#1, timeShift_~tmp___8~2#1, timeShift_~tmp___9~2#1;havoc timeShift_~tmp~15#1;havoc timeShift_~tmp___0~10#1;havoc timeShift_~tmp___1~6#1;havoc timeShift_~tmp___2~4#1;havoc timeShift_~tmp___3~4#1;havoc timeShift_~tmp___4~3#1;havoc timeShift_~tmp___5~2#1;havoc timeShift_~tmp___6~2#1;havoc timeShift_~tmp___7~2#1;havoc timeShift_~tmp___8~2#1;havoc timeShift_~tmp___9~2#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret4#1;assume { :begin_inline_getCurrentHeading } true;havoc getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~4#1;havoc getCurrentHeading_~retValue_acc~4#1;getCurrentHeading_~retValue_acc~4#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~4#1; 558250#L559 __utac_acc__Specification13_spec__1_#t~ret4#1 := getCurrentHeading_#res#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret4#1;havoc __utac_acc__Specification13_spec__1_#t~ret4#1; 558251#L90 assume { :end_inline___utac_acc__Specification13_spec__1 } true;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret49#1, stopRequestedAtCurrentFloor_#t~ret50#1, stopRequestedAtCurrentFloor_#t~ret51#1, stopRequestedAtCurrentFloor_#t~ret52#1, stopRequestedAtCurrentFloor_~retValue_acc~14#1, stopRequestedAtCurrentFloor_~tmp~13#1, stopRequestedAtCurrentFloor_~tmp___0~8#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~14#1;havoc stopRequestedAtCurrentFloor_~tmp~13#1;havoc stopRequestedAtCurrentFloor_~tmp___0~8#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret102#1, isExecutiveFloorCalling_~retValue_acc~17#1;havoc isExecutiveFloorCalling_~retValue_acc~17#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~29#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~29#1; 562377#L2826 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~29#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~29#1; 554762#L2853 isExecutiveFloorCalling_#t~ret102#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~17#1 := isExecutiveFloorCalling_#t~ret102#1;havoc isExecutiveFloorCalling_#t~ret102#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~17#1; 554763#L1860 stopRequestedAtCurrentFloor_#t~ret49#1 := isExecutiveFloorCalling_#res#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedAtCurrentFloor_~tmp~13#1 := stopRequestedAtCurrentFloor_#t~ret49#1;havoc stopRequestedAtCurrentFloor_#t~ret49#1; 557975#L1244 assume 0 != stopRequestedAtCurrentFloor_~tmp~13#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~1#1;havoc getCurrentFloorID_~retValue_acc~1#1;getCurrentFloorID_~retValue_acc~1#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~1#1; 557977#L507 stopRequestedAtCurrentFloor_#t~ret50#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedAtCurrentFloor_~tmp___0~8#1 := stopRequestedAtCurrentFloor_#t~ret50#1;havoc stopRequestedAtCurrentFloor_#t~ret50#1; 561079#L1248 assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~8#1);stopRequestedAtCurrentFloor_~retValue_acc~14#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~14#1; 559970#L1261 timeShift_#t~ret65#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret65#1;havoc timeShift_#t~ret65#1; 560538#L1397 assume !(0 != timeShift_~tmp___9~2#1); 560258#L1488 assume 1 == ~doorState~0;~doorState~0 := 0; 557124#L1488-2 assume { :begin_inline_stopRequestedInDirection } true;stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1 := ~currentHeading~0, 1, 1;havoc stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~10#1, stopRequestedInDirection_~tmp~9#1, stopRequestedInDirection_~tmp___0~5#1, stopRequestedInDirection_~__cil_tmp7~1#1, stopRequestedInDirection_~__cil_tmp8~2#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~10#1;havoc stopRequestedInDirection_~tmp~9#1;havoc stopRequestedInDirection_~tmp___0~5#1;havoc stopRequestedInDirection_~__cil_tmp7~1#1;havoc stopRequestedInDirection_~__cil_tmp8~2#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret102#1, isExecutiveFloorCalling_~retValue_acc~17#1;havoc isExecutiveFloorCalling_~retValue_acc~17#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~29#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~29#1; 557125#L2826-3 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~29#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~29#1; 559130#L2853-3 isExecutiveFloorCalling_#t~ret102#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~17#1 := isExecutiveFloorCalling_#t~ret102#1;havoc isExecutiveFloorCalling_#t~ret102#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~17#1; 558950#L1860-1 stopRequestedInDirection_#t~ret40#1 := isExecutiveFloorCalling_#res#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedInDirection_~tmp___0~5#1 := stopRequestedInDirection_#t~ret40#1;havoc stopRequestedInDirection_#t~ret40#1; 558951#L1099 assume 0 != stopRequestedInDirection_~tmp___0~5#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~1#1;havoc getCurrentFloorID_~retValue_acc~1#1;getCurrentFloorID_~retValue_acc~1#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~1#1; 560903#L507-3 stopRequestedInDirection_#t~ret41#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedInDirection_~tmp~9#1 := stopRequestedInDirection_#t~ret41#1;havoc stopRequestedInDirection_#t~ret41#1;stopRequestedInDirection_~__cil_tmp7~1#1 := (if 1 == stopRequestedInDirection_~dir#1 then 1 else 0);stopRequestedInDirection_~__cil_tmp8~2#1 := (if stopRequestedInDirection_~tmp~9#1 < ~executiveFloor~0 then 1 else 0);stopRequestedInDirection_~retValue_acc~10#1 := (if stopRequestedInDirection_~__cil_tmp8~2#1 == stopRequestedInDirection_~__cil_tmp7~1#1 then 1 else 0);stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~10#1; 555774#L1112 timeShift_#t~ret72#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret72#1;havoc timeShift_#t~ret72#1; 553486#L1496 assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret43#1, continueInDirection_~dir#1, continueInDirection_~tmp~10#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~10#1;~currentHeading~0 := continueInDirection_~dir#1; 553487#L1156 assume !(1 == ~currentHeading~0); 553537#L1166 assume !(0 == ~currentFloorID~0); 553538#L1166-2 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 557969#L1172-1 assume { :end_inline_continueInDirection } true; 561610#L1505-2 assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret5#1, __utac_acc__Specification13_spec__2_#t~ret6#1, __utac_acc__Specification13_spec__2_#t~ret7#1, __utac_acc__Specification13_spec__2_#t~ret8#1, __utac_acc__Specification13_spec__2_#t~ret9#1, __utac_acc__Specification13_spec__2_#t~ret10#1, __utac_acc__Specification13_spec__2_~tmp~0#1, __utac_acc__Specification13_spec__2_~tmp___0~0#1, __utac_acc__Specification13_spec__2_~tmp___1~0#1, __utac_acc__Specification13_spec__2_~tmp___2~0#1, __utac_acc__Specification13_spec__2_~tmp___3~0#1, __utac_acc__Specification13_spec__2_~tmp___4~0#1, __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1, __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1;havoc __utac_acc__Specification13_spec__2_~tmp~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___1~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___2~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___3~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___4~0#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1;__utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 := 2 * ~maximumWeight~0;__utac_acc__Specification13_spec__2_~__cil_tmp8~0#1 := (if __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 < 0 && 0 != __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 % 3 then 1 + __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 / 3 else __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 / 3); 555973#L108 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1; 555975#L109 assume 1 == ~prevDir~0;assume { :begin_inline_existInLiftCallsInDirection } true;existInLiftCallsInDirection_#in~d#1 := 0;havoc existInLiftCallsInDirection_#res#1;havoc existInLiftCallsInDirection_~d#1, existInLiftCallsInDirection_~retValue_acc~16#1, existInLiftCallsInDirection_~i~2#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~16#1;havoc existInLiftCallsInDirection_~i~2#1;havoc existInLiftCallsInDirection_~i___0~0#1; 555207#L1700 assume !(1 == existInLiftCallsInDirection_~d#1); 555208#L1766 assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1; 560488#L1770-2 [2021-12-16 09:50:38,169 INFO L793 eck$LassoCheckResult]: Loop: 560488#L1770-2 assume !false; 556568#L1771 assume existInLiftCallsInDirection_~i___0~0#1 >= 0; 556569#L1772 existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0; 553443#L1779-2 assume !false; 559796#L1780 assume !(existInLiftCallsInDirection_~i___0~0#1 < 5); 559798#L1838 existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1; 560488#L1770-2 [2021-12-16 09:50:38,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:50:38,169 INFO L85 PathProgramCache]: Analyzing trace with hash 413234797, now seen corresponding path program 1 times [2021-12-16 09:50:38,169 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:50:38,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463674161] [2021-12-16 09:50:38,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:50:38,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:50:38,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:50:38,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 09:50:38,228 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 09:50:38,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463674161] [2021-12-16 09:50:38,228 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [463674161] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 09:50:38,228 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 09:50:38,228 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 09:50:38,229 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320223722] [2021-12-16 09:50:38,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 09:50:38,229 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-16 09:50:38,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:50:38,229 INFO L85 PathProgramCache]: Analyzing trace with hash -1087190869, now seen corresponding path program 9 times [2021-12-16 09:50:38,230 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:50:38,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597278005] [2021-12-16 09:50:38,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:50:38,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:50:38,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:50:38,235 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:50:38,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:50:38,239 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:50:38,253 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 09:50:38,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-16 09:50:38,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-16 09:50:38,254 INFO L87 Difference]: Start difference. First operand 9457 states and 17566 transitions. cyclomatic complexity: 8144 Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 09:50:40,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 09:50:40,592 INFO L93 Difference]: Finished difference Result 16605 states and 30346 transitions. [2021-12-16 09:50:40,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-16 09:50:40,592 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16605 states and 30346 transitions. [2021-12-16 09:50:40,670 INFO L131 ngComponentsAnalysis]: Automaton has 65 accepting balls. 4292 [2021-12-16 09:50:40,724 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16605 states to 16605 states and 30346 transitions. [2021-12-16 09:50:40,724 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16529 [2021-12-16 09:50:40,740 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16529 [2021-12-16 09:50:40,740 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16605 states and 30346 transitions. [2021-12-16 09:50:40,741 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-16 09:50:40,741 INFO L681 BuchiCegarLoop]: Abstraction has 16605 states and 30346 transitions. [2021-12-16 09:50:40,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16605 states and 30346 transitions. [2021-12-16 09:50:40,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16605 to 9457. [2021-12-16 09:50:40,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9457 states, 9457 states have (on average 1.8172782066194353) internal successors, (17186), 9456 states have internal predecessors, (17186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 09:50:40,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9457 states to 9457 states and 17186 transitions. [2021-12-16 09:50:40,897 INFO L704 BuchiCegarLoop]: Abstraction has 9457 states and 17186 transitions. [2021-12-16 09:50:40,897 INFO L587 BuchiCegarLoop]: Abstraction has 9457 states and 17186 transitions. [2021-12-16 09:50:40,897 INFO L425 BuchiCegarLoop]: ======== Iteration 12============ [2021-12-16 09:50:40,897 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9457 states and 17186 transitions. [2021-12-16 09:50:40,929 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 2381 [2021-12-16 09:50:40,929 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 09:50:40,929 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 09:50:40,930 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 09:50:40,930 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-12-16 09:50:40,930 INFO L791 eck$LassoCheckResult]: Stem: 588478#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(32, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(10, 4);call #Ultimate.allocInit(4, 5);call write~init~int(91, 5, 0, 1);call write~init~int(95, 5, 1, 1);call write~init~int(93, 5, 2, 1);call write~init~int(0, 5, 3, 1);call #Ultimate.allocInit(4, 6);call write~init~int(91, 6, 0, 1);call write~init~int(93, 6, 1, 1);call write~init~int(32, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(5, 7);call write~init~int(32, 7, 0, 1);call write~init~int(97, 7, 1, 1);call write~init~int(116, 7, 2, 1);call write~init~int(32, 7, 3, 1);call write~init~int(0, 7, 4, 1);call #Ultimate.allocInit(3, 8);call write~init~int(37, 8, 0, 1);call write~init~int(105, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(10, 9);call #Ultimate.allocInit(3, 10);call write~init~int(117, 10, 0, 1);call write~init~int(112, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(5, 11);call write~init~int(100, 11, 0, 1);call write~init~int(111, 11, 1, 1);call write~init~int(119, 11, 2, 1);call write~init~int(110, 11, 3, 1);call write~init~int(0, 11, 4, 1);call #Ultimate.allocInit(7, 12);call write~init~int(32, 12, 0, 1);call write~init~int(73, 12, 1, 1);call write~init~int(76, 12, 2, 1);call write~init~int(95, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(4, 13);call write~init~int(32, 13, 0, 1);call write~init~int(37, 13, 1, 1);call write~init~int(105, 13, 2, 1);call write~init~int(0, 13, 3, 1);call #Ultimate.allocInit(4, 14);call write~init~int(32, 14, 0, 1);call write~init~int(37, 14, 1, 1);call write~init~int(105, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(4, 15);call write~init~int(32, 15, 0, 1);call write~init~int(37, 15, 1, 1);call write~init~int(105, 15, 2, 1);call write~init~int(0, 15, 3, 1);call #Ultimate.allocInit(4, 16);call write~init~int(32, 16, 0, 1);call write~init~int(37, 16, 1, 1);call write~init~int(105, 16, 2, 1);call write~init~int(0, 16, 3, 1);call #Ultimate.allocInit(4, 17);call write~init~int(32, 17, 0, 1);call write~init~int(37, 17, 1, 1);call write~init~int(105, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(6, 18);call write~init~int(32, 18, 0, 1);call write~init~int(70, 18, 1, 1);call write~init~int(95, 18, 2, 1);call write~init~int(112, 18, 3, 1);call write~init~int(58, 18, 4, 1);call write~init~int(0, 18, 5, 1);call #Ultimate.allocInit(4, 19);call write~init~int(32, 19, 0, 1);call write~init~int(37, 19, 1, 1);call write~init~int(105, 19, 2, 1);call write~init~int(0, 19, 3, 1);call #Ultimate.allocInit(4, 20);call write~init~int(32, 20, 0, 1);call write~init~int(37, 20, 1, 1);call write~init~int(105, 20, 2, 1);call write~init~int(0, 20, 3, 1);call #Ultimate.allocInit(4, 21);call write~init~int(32, 21, 0, 1);call write~init~int(37, 21, 1, 1);call write~init~int(105, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(4, 22);call write~init~int(32, 22, 0, 1);call write~init~int(37, 22, 1, 1);call write~init~int(105, 22, 2, 1);call write~init~int(0, 22, 3, 1);call #Ultimate.allocInit(4, 23);call write~init~int(32, 23, 0, 1);call write~init~int(37, 23, 1, 1);call write~init~int(105, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(2, 24);call write~init~int(10, 24, 0, 1);call write~init~int(0, 24, 1, 1);call #Ultimate.allocInit(30, 25);call #Ultimate.allocInit(9, 26);call #Ultimate.allocInit(21, 27);call #Ultimate.allocInit(30, 28);call #Ultimate.allocInit(9, 29);call #Ultimate.allocInit(21, 30);call #Ultimate.allocInit(30, 31);call #Ultimate.allocInit(9, 32);call #Ultimate.allocInit(25, 33);call #Ultimate.allocInit(30, 34);call #Ultimate.allocInit(9, 35);call #Ultimate.allocInit(25, 36);~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~prevDir~0 := 0;~cleanupTimeShifts~0 := 12;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~calls_0~0 := 0;~calls_1~0 := 0;~calls_2~0 := 0;~calls_3~0 := 0;~calls_4~0 := 0;~personOnFloor_0_0~0 := 0;~personOnFloor_0_1~0 := 0;~personOnFloor_0_2~0 := 0;~personOnFloor_0_3~0 := 0;~personOnFloor_0_4~0 := 0;~personOnFloor_1_0~0 := 0;~personOnFloor_1_1~0 := 0;~personOnFloor_1_2~0 := 0;~personOnFloor_1_3~0 := 0;~personOnFloor_1_4~0 := 0;~personOnFloor_2_0~0 := 0;~personOnFloor_2_1~0 := 0;~personOnFloor_2_2~0 := 0;~personOnFloor_2_3~0 := 0;~personOnFloor_2_4~0 := 0;~personOnFloor_3_0~0 := 0;~personOnFloor_3_1~0 := 0;~personOnFloor_3_2~0 := 0;~personOnFloor_3_3~0 := 0;~personOnFloor_3_4~0 := 0;~personOnFloor_4_0~0 := 0;~personOnFloor_4_1~0 := 0;~personOnFloor_4_2~0 := 0;~personOnFloor_4_3~0 := 0;~personOnFloor_4_4~0 := 0;~personOnFloor_5_0~0 := 0;~personOnFloor_5_1~0 := 0;~personOnFloor_5_2~0 := 0;~personOnFloor_5_3~0 := 0;~personOnFloor_5_4~0 := 0; 586642#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret116#1, main_~retValue_acc~23#1, main_~tmp~25#1;havoc main_~retValue_acc~23#1;havoc main_~tmp~25#1;assume { :begin_inline_select_helpers } true; 586313#L2731 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 586314#L2724 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~28#1;havoc valid_product_~retValue_acc~28#1;valid_product_~retValue_acc~28#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~28#1; 583126#L2739 main_#t~ret116#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~25#1 := main_#t~ret116#1;havoc main_#t~ret116#1; 583127#L2329 assume 0 != main_~tmp~25#1;assume { :begin_inline_setup } true; 588565#L2303 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;assume { :begin_inline_aliceCall } true;havoc aliceCall_#t~ret105#1, aliceCall_~tmp~18#1;havoc aliceCall_~tmp~18#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~20#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~20#1; 582821#L1917 assume !(0 == getOrigin_~person#1); 582822#L1921 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~20#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~20#1; 588061#L1942 aliceCall_#t~ret105#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~18#1 := aliceCall_#t~ret105#1;havoc aliceCall_#t~ret105#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~18#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 588758#L3097 assume !(0 == initPersonOnFloor_~floor#1); 588672#L3124 assume !(1 == initPersonOnFloor_~floor#1); 580563#L3151 assume !(2 == initPersonOnFloor_~floor#1); 580564#L3178 assume 3 == initPersonOnFloor_~floor#1; 586901#L3179 assume !(0 == initPersonOnFloor_~person#1); 583395#L3182 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_3~0 := 1; 580700#L3205-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 586801#L2889 assume !(0 == callOnFloor_~floorID#1); 582287#L2892 assume !(1 == callOnFloor_~floorID#1); 582288#L2895 assume !(2 == callOnFloor_~floorID#1); 587105#L2898 assume 3 == callOnFloor_~floorID#1;~calls_3~0 := 1; 588606#L2901-2 assume { :end_inline_callOnFloor } true; 587887#L3241 assume { :end_inline_initPersonOnFloor } true; 587888#L2064 assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret106#1, angelinaCall_~tmp~19#1;havoc angelinaCall_~tmp~19#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~20#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~20#1; 588018#L1917-1 assume !(0 == getOrigin_~person#1); 584600#L1921-1 assume !(1 == getOrigin_~person#1); 582635#L1925-1 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~20#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~20#1; 582636#L1942-1 angelinaCall_#t~ret106#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~19#1 := angelinaCall_#t~ret106#1;havoc angelinaCall_#t~ret106#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~19#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 587333#L3097-1 assume !(0 == initPersonOnFloor_~floor#1); 583174#L3124-1 assume !(1 == initPersonOnFloor_~floor#1); 583175#L3151-1 assume 2 == initPersonOnFloor_~floor#1; 583647#L3152-2 assume !(0 == initPersonOnFloor_~person#1); 583648#L3155-2 assume !(1 == initPersonOnFloor_~person#1); 586153#L3158-2 assume 2 == initPersonOnFloor_~person#1;~personOnFloor_2_2~0 := 1; 584187#L3205-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 588795#L2889-2 assume !(0 == callOnFloor_~floorID#1); 588794#L2892-2 assume !(1 == callOnFloor_~floorID#1); 588793#L2895-2 assume 2 == callOnFloor_~floorID#1;~calls_2~0 := 1; 585451#L2901-5 assume { :end_inline_callOnFloor } true; 584864#L3241-1 assume { :end_inline_initPersonOnFloor } true; 584865#L2075 assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret65#1, timeShift_#t~ret66#1, timeShift_#t~ret67#1, timeShift_#t~ret68#1, timeShift_#t~ret69#1, timeShift_#t~ret70#1, timeShift_#t~ret71#1, timeShift_#t~ret72#1, timeShift_#t~ret73#1, timeShift_#t~ret74#1, timeShift_#t~ret75#1, timeShift_~tmp~15#1, timeShift_~tmp___0~10#1, timeShift_~tmp___1~6#1, timeShift_~tmp___2~4#1, timeShift_~tmp___3~4#1, timeShift_~tmp___4~3#1, timeShift_~tmp___5~2#1, timeShift_~tmp___6~2#1, timeShift_~tmp___7~2#1, timeShift_~tmp___8~2#1, timeShift_~tmp___9~2#1;havoc timeShift_~tmp~15#1;havoc timeShift_~tmp___0~10#1;havoc timeShift_~tmp___1~6#1;havoc timeShift_~tmp___2~4#1;havoc timeShift_~tmp___3~4#1;havoc timeShift_~tmp___4~3#1;havoc timeShift_~tmp___5~2#1;havoc timeShift_~tmp___6~2#1;havoc timeShift_~tmp___7~2#1;havoc timeShift_~tmp___8~2#1;havoc timeShift_~tmp___9~2#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret4#1;assume { :begin_inline_getCurrentHeading } true;havoc getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~4#1;havoc getCurrentHeading_~retValue_acc~4#1;getCurrentHeading_~retValue_acc~4#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~4#1; 584292#L559 __utac_acc__Specification13_spec__1_#t~ret4#1 := getCurrentHeading_#res#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret4#1;havoc __utac_acc__Specification13_spec__1_#t~ret4#1; 584293#L90 assume { :end_inline___utac_acc__Specification13_spec__1 } true;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret49#1, stopRequestedAtCurrentFloor_#t~ret50#1, stopRequestedAtCurrentFloor_#t~ret51#1, stopRequestedAtCurrentFloor_#t~ret52#1, stopRequestedAtCurrentFloor_~retValue_acc~14#1, stopRequestedAtCurrentFloor_~tmp~13#1, stopRequestedAtCurrentFloor_~tmp___0~8#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~14#1;havoc stopRequestedAtCurrentFloor_~tmp~13#1;havoc stopRequestedAtCurrentFloor_~tmp___0~8#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret102#1, isExecutiveFloorCalling_~retValue_acc~17#1;havoc isExecutiveFloorCalling_~retValue_acc~17#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~29#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~29#1; 588445#L2826 assume !(0 == isFloorCalling_~floorID#1); 584637#L2830 assume !(1 == isFloorCalling_~floorID#1); 584638#L2834 assume !(2 == isFloorCalling_~floorID#1); 588682#L2838 assume !(3 == isFloorCalling_~floorID#1); 581049#L2842 assume 4 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~29#1 := ~calls_4~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~29#1; 580822#L2853 isExecutiveFloorCalling_#t~ret102#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~17#1 := isExecutiveFloorCalling_#t~ret102#1;havoc isExecutiveFloorCalling_#t~ret102#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~17#1; 580823#L1860 stopRequestedAtCurrentFloor_#t~ret49#1 := isExecutiveFloorCalling_#res#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedAtCurrentFloor_~tmp~13#1 := stopRequestedAtCurrentFloor_#t~ret49#1;havoc stopRequestedAtCurrentFloor_#t~ret49#1; 584017#L1244 assume 0 != stopRequestedAtCurrentFloor_~tmp~13#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~1#1;havoc getCurrentFloorID_~retValue_acc~1#1;getCurrentFloorID_~retValue_acc~1#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~1#1; 584019#L507 stopRequestedAtCurrentFloor_#t~ret50#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedAtCurrentFloor_~tmp___0~8#1 := stopRequestedAtCurrentFloor_#t~ret50#1;havoc stopRequestedAtCurrentFloor_#t~ret50#1; 587133#L1248 assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~8#1);stopRequestedAtCurrentFloor_~retValue_acc~14#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~14#1; 586016#L1261 timeShift_#t~ret65#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret65#1;havoc timeShift_#t~ret65#1; 586586#L1397 assume !(0 != timeShift_~tmp___9~2#1); 586306#L1488 assume 1 == ~doorState~0;~doorState~0 := 0; 583168#L1488-2 assume { :begin_inline_stopRequestedInDirection } true;stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1 := ~currentHeading~0, 1, 1;havoc stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~10#1, stopRequestedInDirection_~tmp~9#1, stopRequestedInDirection_~tmp___0~5#1, stopRequestedInDirection_~__cil_tmp7~1#1, stopRequestedInDirection_~__cil_tmp8~2#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~10#1;havoc stopRequestedInDirection_~tmp~9#1;havoc stopRequestedInDirection_~tmp___0~5#1;havoc stopRequestedInDirection_~__cil_tmp7~1#1;havoc stopRequestedInDirection_~__cil_tmp8~2#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret102#1, isExecutiveFloorCalling_~retValue_acc~17#1;havoc isExecutiveFloorCalling_~retValue_acc~17#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~29#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~29#1; 583169#L2826-3 assume !(0 == isFloorCalling_~floorID#1); 587358#L2830-3 assume !(1 == isFloorCalling_~floorID#1); 585172#L2834-3 assume !(2 == isFloorCalling_~floorID#1); 585173#L2838-3 assume !(3 == isFloorCalling_~floorID#1); 588256#L2842-3 assume 4 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~29#1 := ~calls_4~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~29#1; 588064#L2853-3 isExecutiveFloorCalling_#t~ret102#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~17#1 := isExecutiveFloorCalling_#t~ret102#1;havoc isExecutiveFloorCalling_#t~ret102#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~17#1; 584992#L1860-1 stopRequestedInDirection_#t~ret40#1 := isExecutiveFloorCalling_#res#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedInDirection_~tmp___0~5#1 := stopRequestedInDirection_#t~ret40#1;havoc stopRequestedInDirection_#t~ret40#1; 584993#L1099 assume 0 != stopRequestedInDirection_~tmp___0~5#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~1#1;havoc getCurrentFloorID_~retValue_acc~1#1;getCurrentFloorID_~retValue_acc~1#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~1#1; 586953#L507-3 stopRequestedInDirection_#t~ret41#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedInDirection_~tmp~9#1 := stopRequestedInDirection_#t~ret41#1;havoc stopRequestedInDirection_#t~ret41#1;stopRequestedInDirection_~__cil_tmp7~1#1 := (if 1 == stopRequestedInDirection_~dir#1 then 1 else 0);stopRequestedInDirection_~__cil_tmp8~2#1 := (if stopRequestedInDirection_~tmp~9#1 < ~executiveFloor~0 then 1 else 0);stopRequestedInDirection_~retValue_acc~10#1 := (if stopRequestedInDirection_~__cil_tmp8~2#1 == stopRequestedInDirection_~__cil_tmp7~1#1 then 1 else 0);stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~10#1; 581825#L1112 timeShift_#t~ret72#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret72#1;havoc timeShift_#t~ret72#1; 579556#L1496 assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret43#1, continueInDirection_~dir#1, continueInDirection_~tmp~10#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~10#1;~currentHeading~0 := continueInDirection_~dir#1; 579557#L1156 assume !(1 == ~currentHeading~0); 579607#L1166 assume !(0 == ~currentFloorID~0); 579608#L1166-2 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 584011#L1172-1 assume { :end_inline_continueInDirection } true; 587668#L1505-2 assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret5#1, __utac_acc__Specification13_spec__2_#t~ret6#1, __utac_acc__Specification13_spec__2_#t~ret7#1, __utac_acc__Specification13_spec__2_#t~ret8#1, __utac_acc__Specification13_spec__2_#t~ret9#1, __utac_acc__Specification13_spec__2_#t~ret10#1, __utac_acc__Specification13_spec__2_~tmp~0#1, __utac_acc__Specification13_spec__2_~tmp___0~0#1, __utac_acc__Specification13_spec__2_~tmp___1~0#1, __utac_acc__Specification13_spec__2_~tmp___2~0#1, __utac_acc__Specification13_spec__2_~tmp___3~0#1, __utac_acc__Specification13_spec__2_~tmp___4~0#1, __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1, __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1;havoc __utac_acc__Specification13_spec__2_~tmp~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___1~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___2~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___3~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___4~0#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1;__utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 := 2 * ~maximumWeight~0;__utac_acc__Specification13_spec__2_~__cil_tmp8~0#1 := (if __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 < 0 && 0 != __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 % 3 then 1 + __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 / 3 else __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 / 3); 582022#L108 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1; 582024#L109 assume 1 == ~prevDir~0;assume { :begin_inline_existInLiftCallsInDirection } true;existInLiftCallsInDirection_#in~d#1 := 0;havoc existInLiftCallsInDirection_#res#1;havoc existInLiftCallsInDirection_~d#1, existInLiftCallsInDirection_~retValue_acc~16#1, existInLiftCallsInDirection_~i~2#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~16#1;havoc existInLiftCallsInDirection_~i~2#1;havoc existInLiftCallsInDirection_~i___0~0#1; 581264#L1700 assume !(1 == existInLiftCallsInDirection_~d#1); 581265#L1766 assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1; 586535#L1770-2 [2021-12-16 09:50:40,931 INFO L793 eck$LassoCheckResult]: Loop: 586535#L1770-2 assume !false; 582612#L1771 assume existInLiftCallsInDirection_~i___0~0#1 >= 0; 582613#L1772 existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0; 579514#L1779-2 assume !false; 585841#L1780 assume !(existInLiftCallsInDirection_~i___0~0#1 < 5); 585843#L1838 existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1; 586535#L1770-2 [2021-12-16 09:50:40,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:50:40,931 INFO L85 PathProgramCache]: Analyzing trace with hash 1062454361, now seen corresponding path program 1 times [2021-12-16 09:50:40,931 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:50:40,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991511671] [2021-12-16 09:50:40,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:50:40,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:50:40,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:50:40,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 09:50:40,966 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 09:50:40,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991511671] [2021-12-16 09:50:40,967 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1991511671] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 09:50:40,967 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 09:50:40,967 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 09:50:40,967 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586953023] [2021-12-16 09:50:40,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 09:50:40,968 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-16 09:50:40,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:50:40,968 INFO L85 PathProgramCache]: Analyzing trace with hash -1087190869, now seen corresponding path program 10 times [2021-12-16 09:50:40,968 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:50:40,968 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712637248] [2021-12-16 09:50:40,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:50:40,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:50:40,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:50:40,971 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:50:40,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:50:40,973 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:50:40,986 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 09:50:40,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 09:50:40,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 09:50:40,987 INFO L87 Difference]: Start difference. First operand 9457 states and 17186 transitions. cyclomatic complexity: 7764 Second operand has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 09:50:47,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 09:50:47,402 INFO L93 Difference]: Finished difference Result 64671 states and 118519 transitions. [2021-12-16 09:50:47,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-16 09:50:47,405 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 64671 states and 118519 transitions. [2021-12-16 09:50:47,712 INFO L131 ngComponentsAnalysis]: Automaton has 354 accepting balls. 15191 [2021-12-16 09:50:47,936 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 64671 states to 64671 states and 118519 transitions. [2021-12-16 09:50:47,937 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 64291 [2021-12-16 09:50:47,999 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 64291 [2021-12-16 09:50:48,000 INFO L73 IsDeterministic]: Start isDeterministic. Operand 64671 states and 118519 transitions. [2021-12-16 09:50:48,015 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-16 09:50:48,015 INFO L681 BuchiCegarLoop]: Abstraction has 64671 states and 118519 transitions. [2021-12-16 09:50:48,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64671 states and 118519 transitions. [2021-12-16 09:50:48,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64671 to 18758. [2021-12-16 09:50:48,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18758 states, 18758 states have (on average 1.8183708284465294) internal successors, (34109), 18757 states have internal predecessors, (34109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 09:50:48,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18758 states to 18758 states and 34109 transitions. [2021-12-16 09:50:48,514 INFO L704 BuchiCegarLoop]: Abstraction has 18758 states and 34109 transitions. [2021-12-16 09:50:48,514 INFO L587 BuchiCegarLoop]: Abstraction has 18758 states and 34109 transitions. [2021-12-16 09:50:48,514 INFO L425 BuchiCegarLoop]: ======== Iteration 13============ [2021-12-16 09:50:48,514 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18758 states and 34109 transitions. [2021-12-16 09:50:48,569 INFO L131 ngComponentsAnalysis]: Automaton has 66 accepting balls. 4736 [2021-12-16 09:50:48,569 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 09:50:48,569 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 09:50:48,570 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 09:50:48,570 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-12-16 09:50:48,570 INFO L791 eck$LassoCheckResult]: Stem: 662946#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(32, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(10, 4);call #Ultimate.allocInit(4, 5);call write~init~int(91, 5, 0, 1);call write~init~int(95, 5, 1, 1);call write~init~int(93, 5, 2, 1);call write~init~int(0, 5, 3, 1);call #Ultimate.allocInit(4, 6);call write~init~int(91, 6, 0, 1);call write~init~int(93, 6, 1, 1);call write~init~int(32, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(5, 7);call write~init~int(32, 7, 0, 1);call write~init~int(97, 7, 1, 1);call write~init~int(116, 7, 2, 1);call write~init~int(32, 7, 3, 1);call write~init~int(0, 7, 4, 1);call #Ultimate.allocInit(3, 8);call write~init~int(37, 8, 0, 1);call write~init~int(105, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(10, 9);call #Ultimate.allocInit(3, 10);call write~init~int(117, 10, 0, 1);call write~init~int(112, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(5, 11);call write~init~int(100, 11, 0, 1);call write~init~int(111, 11, 1, 1);call write~init~int(119, 11, 2, 1);call write~init~int(110, 11, 3, 1);call write~init~int(0, 11, 4, 1);call #Ultimate.allocInit(7, 12);call write~init~int(32, 12, 0, 1);call write~init~int(73, 12, 1, 1);call write~init~int(76, 12, 2, 1);call write~init~int(95, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(4, 13);call write~init~int(32, 13, 0, 1);call write~init~int(37, 13, 1, 1);call write~init~int(105, 13, 2, 1);call write~init~int(0, 13, 3, 1);call #Ultimate.allocInit(4, 14);call write~init~int(32, 14, 0, 1);call write~init~int(37, 14, 1, 1);call write~init~int(105, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(4, 15);call write~init~int(32, 15, 0, 1);call write~init~int(37, 15, 1, 1);call write~init~int(105, 15, 2, 1);call write~init~int(0, 15, 3, 1);call #Ultimate.allocInit(4, 16);call write~init~int(32, 16, 0, 1);call write~init~int(37, 16, 1, 1);call write~init~int(105, 16, 2, 1);call write~init~int(0, 16, 3, 1);call #Ultimate.allocInit(4, 17);call write~init~int(32, 17, 0, 1);call write~init~int(37, 17, 1, 1);call write~init~int(105, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(6, 18);call write~init~int(32, 18, 0, 1);call write~init~int(70, 18, 1, 1);call write~init~int(95, 18, 2, 1);call write~init~int(112, 18, 3, 1);call write~init~int(58, 18, 4, 1);call write~init~int(0, 18, 5, 1);call #Ultimate.allocInit(4, 19);call write~init~int(32, 19, 0, 1);call write~init~int(37, 19, 1, 1);call write~init~int(105, 19, 2, 1);call write~init~int(0, 19, 3, 1);call #Ultimate.allocInit(4, 20);call write~init~int(32, 20, 0, 1);call write~init~int(37, 20, 1, 1);call write~init~int(105, 20, 2, 1);call write~init~int(0, 20, 3, 1);call #Ultimate.allocInit(4, 21);call write~init~int(32, 21, 0, 1);call write~init~int(37, 21, 1, 1);call write~init~int(105, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(4, 22);call write~init~int(32, 22, 0, 1);call write~init~int(37, 22, 1, 1);call write~init~int(105, 22, 2, 1);call write~init~int(0, 22, 3, 1);call #Ultimate.allocInit(4, 23);call write~init~int(32, 23, 0, 1);call write~init~int(37, 23, 1, 1);call write~init~int(105, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(2, 24);call write~init~int(10, 24, 0, 1);call write~init~int(0, 24, 1, 1);call #Ultimate.allocInit(30, 25);call #Ultimate.allocInit(9, 26);call #Ultimate.allocInit(21, 27);call #Ultimate.allocInit(30, 28);call #Ultimate.allocInit(9, 29);call #Ultimate.allocInit(21, 30);call #Ultimate.allocInit(30, 31);call #Ultimate.allocInit(9, 32);call #Ultimate.allocInit(25, 33);call #Ultimate.allocInit(30, 34);call #Ultimate.allocInit(9, 35);call #Ultimate.allocInit(25, 36);~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~prevDir~0 := 0;~cleanupTimeShifts~0 := 12;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~calls_0~0 := 0;~calls_1~0 := 0;~calls_2~0 := 0;~calls_3~0 := 0;~calls_4~0 := 0;~personOnFloor_0_0~0 := 0;~personOnFloor_0_1~0 := 0;~personOnFloor_0_2~0 := 0;~personOnFloor_0_3~0 := 0;~personOnFloor_0_4~0 := 0;~personOnFloor_1_0~0 := 0;~personOnFloor_1_1~0 := 0;~personOnFloor_1_2~0 := 0;~personOnFloor_1_3~0 := 0;~personOnFloor_1_4~0 := 0;~personOnFloor_2_0~0 := 0;~personOnFloor_2_1~0 := 0;~personOnFloor_2_2~0 := 0;~personOnFloor_2_3~0 := 0;~personOnFloor_2_4~0 := 0;~personOnFloor_3_0~0 := 0;~personOnFloor_3_1~0 := 0;~personOnFloor_3_2~0 := 0;~personOnFloor_3_3~0 := 0;~personOnFloor_3_4~0 := 0;~personOnFloor_4_0~0 := 0;~personOnFloor_4_1~0 := 0;~personOnFloor_4_2~0 := 0;~personOnFloor_4_3~0 := 0;~personOnFloor_4_4~0 := 0;~personOnFloor_5_0~0 := 0;~personOnFloor_5_1~0 := 0;~personOnFloor_5_2~0 := 0;~personOnFloor_5_3~0 := 0;~personOnFloor_5_4~0 := 0; 660921#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret116#1, main_~retValue_acc~23#1, main_~tmp~25#1;havoc main_~retValue_acc~23#1;havoc main_~tmp~25#1;assume { :begin_inline_select_helpers } true; 660574#L2731 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 660575#L2724 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~28#1;havoc valid_product_~retValue_acc~28#1;valid_product_~retValue_acc~28#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~28#1; 657304#L2739 main_#t~ret116#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~25#1 := main_#t~ret116#1;havoc main_#t~ret116#1; 657305#L2329 assume 0 != main_~tmp~25#1;assume { :begin_inline_setup } true; 663042#L2303 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;assume { :begin_inline_aliceCall } true;havoc aliceCall_#t~ret105#1, aliceCall_~tmp~18#1;havoc aliceCall_~tmp~18#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~20#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~20#1; 656993#L1917 assume !(0 == getOrigin_~person#1); 656994#L1921 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~20#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~20#1; 662463#L1942 aliceCall_#t~ret105#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~18#1 := aliceCall_#t~ret105#1;havoc aliceCall_#t~ret105#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~18#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 663299#L3097 assume !(0 == initPersonOnFloor_~floor#1); 663166#L3124 assume !(1 == initPersonOnFloor_~floor#1); 654719#L3151 assume !(2 == initPersonOnFloor_~floor#1); 654720#L3178 assume 3 == initPersonOnFloor_~floor#1; 661196#L3179 assume !(0 == initPersonOnFloor_~person#1); 657576#L3182 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_3~0 := 1; 654856#L3205-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 661092#L2889 assume !(0 == callOnFloor_~floorID#1); 656454#L2892 assume !(1 == callOnFloor_~floorID#1); 656455#L2895 assume !(2 == callOnFloor_~floorID#1); 661413#L2898 assume 3 == callOnFloor_~floorID#1;~calls_3~0 := 1; 663088#L2901-2 assume { :end_inline_callOnFloor } true; 662270#L3241 assume { :end_inline_initPersonOnFloor } true; 662271#L2064 assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret106#1, angelinaCall_~tmp~19#1;havoc angelinaCall_~tmp~19#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~20#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~20#1; 662417#L1917-1 assume !(0 == getOrigin_~person#1); 658803#L1921-1 assume !(1 == getOrigin_~person#1); 656806#L1925-1 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~20#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~20#1; 656807#L1942-1 angelinaCall_#t~ret106#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~19#1 := angelinaCall_#t~ret106#1;havoc angelinaCall_#t~ret106#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~19#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 661668#L3097-1 assume !(0 == initPersonOnFloor_~floor#1); 657353#L3124-1 assume !(1 == initPersonOnFloor_~floor#1); 657354#L3151-1 assume !(2 == initPersonOnFloor_~floor#1); 654525#L3178-1 assume !(3 == initPersonOnFloor_~floor#1); 654527#L3205-2 assume !(4 == initPersonOnFloor_~floor#1); 654440#L3205-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 658004#L2889-2 assume !(0 == callOnFloor_~floorID#1); 658722#L2892-2 assume !(1 == callOnFloor_~floorID#1); 660241#L2895-2 assume !(2 == callOnFloor_~floorID#1); 660484#L2898-2 assume !(3 == callOnFloor_~floorID#1); 659679#L2901-3 assume 4 == callOnFloor_~floorID#1;~calls_4~0 := 1; 659680#L2901-5 assume { :end_inline_callOnFloor } true; 663415#L3241-1 assume { :end_inline_initPersonOnFloor } true; 663414#L2075 assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret65#1, timeShift_#t~ret66#1, timeShift_#t~ret67#1, timeShift_#t~ret68#1, timeShift_#t~ret69#1, timeShift_#t~ret70#1, timeShift_#t~ret71#1, timeShift_#t~ret72#1, timeShift_#t~ret73#1, timeShift_#t~ret74#1, timeShift_#t~ret75#1, timeShift_~tmp~15#1, timeShift_~tmp___0~10#1, timeShift_~tmp___1~6#1, timeShift_~tmp___2~4#1, timeShift_~tmp___3~4#1, timeShift_~tmp___4~3#1, timeShift_~tmp___5~2#1, timeShift_~tmp___6~2#1, timeShift_~tmp___7~2#1, timeShift_~tmp___8~2#1, timeShift_~tmp___9~2#1;havoc timeShift_~tmp~15#1;havoc timeShift_~tmp___0~10#1;havoc timeShift_~tmp___1~6#1;havoc timeShift_~tmp___2~4#1;havoc timeShift_~tmp___3~4#1;havoc timeShift_~tmp___4~3#1;havoc timeShift_~tmp___5~2#1;havoc timeShift_~tmp___6~2#1;havoc timeShift_~tmp___7~2#1;havoc timeShift_~tmp___8~2#1;havoc timeShift_~tmp___9~2#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret4#1;assume { :begin_inline_getCurrentHeading } true;havoc getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~4#1;havoc getCurrentHeading_~retValue_acc~4#1;getCurrentHeading_~retValue_acc~4#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~4#1; 663412#L559 __utac_acc__Specification13_spec__1_#t~ret4#1 := getCurrentHeading_#res#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret4#1;havoc __utac_acc__Specification13_spec__1_#t~ret4#1; 663410#L90 assume { :end_inline___utac_acc__Specification13_spec__1 } true;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret49#1, stopRequestedAtCurrentFloor_#t~ret50#1, stopRequestedAtCurrentFloor_#t~ret51#1, stopRequestedAtCurrentFloor_#t~ret52#1, stopRequestedAtCurrentFloor_~retValue_acc~14#1, stopRequestedAtCurrentFloor_~tmp~13#1, stopRequestedAtCurrentFloor_~tmp___0~8#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~14#1;havoc stopRequestedAtCurrentFloor_~tmp~13#1;havoc stopRequestedAtCurrentFloor_~tmp___0~8#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret102#1, isExecutiveFloorCalling_~retValue_acc~17#1;havoc isExecutiveFloorCalling_~retValue_acc~17#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~29#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~29#1; 663409#L2826 assume !(0 == isFloorCalling_~floorID#1); 663408#L2830 assume !(1 == isFloorCalling_~floorID#1); 663407#L2834 assume !(2 == isFloorCalling_~floorID#1); 663406#L2838 assume !(3 == isFloorCalling_~floorID#1); 663405#L2842 assume 4 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~29#1 := ~calls_4~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~29#1; 663404#L2853 isExecutiveFloorCalling_#t~ret102#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~17#1 := isExecutiveFloorCalling_#t~ret102#1;havoc isExecutiveFloorCalling_#t~ret102#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~17#1; 663403#L1860 stopRequestedAtCurrentFloor_#t~ret49#1 := isExecutiveFloorCalling_#res#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedAtCurrentFloor_~tmp~13#1 := stopRequestedAtCurrentFloor_#t~ret49#1;havoc stopRequestedAtCurrentFloor_#t~ret49#1; 663401#L1244 assume 0 != stopRequestedAtCurrentFloor_~tmp~13#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~1#1;havoc getCurrentFloorID_~retValue_acc~1#1;getCurrentFloorID_~retValue_acc~1#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~1#1; 661441#L507 stopRequestedAtCurrentFloor_#t~ret50#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedAtCurrentFloor_~tmp___0~8#1 := stopRequestedAtCurrentFloor_#t~ret50#1;havoc stopRequestedAtCurrentFloor_#t~ret50#1; 661442#L1248 assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~8#1);stopRequestedAtCurrentFloor_~retValue_acc~14#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~14#1; 660260#L1261 timeShift_#t~ret65#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret65#1;havoc timeShift_#t~ret65#1; 660862#L1397 assume !(0 != timeShift_~tmp___9~2#1); 660567#L1488 assume 1 == ~doorState~0;~doorState~0 := 0; 657347#L1488-2 assume { :begin_inline_stopRequestedInDirection } true;stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1 := ~currentHeading~0, 1, 1;havoc stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~10#1, stopRequestedInDirection_~tmp~9#1, stopRequestedInDirection_~tmp___0~5#1, stopRequestedInDirection_~__cil_tmp7~1#1, stopRequestedInDirection_~__cil_tmp8~2#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~10#1;havoc stopRequestedInDirection_~tmp~9#1;havoc stopRequestedInDirection_~tmp___0~5#1;havoc stopRequestedInDirection_~__cil_tmp7~1#1;havoc stopRequestedInDirection_~__cil_tmp8~2#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret102#1, isExecutiveFloorCalling_~retValue_acc~17#1;havoc isExecutiveFloorCalling_~retValue_acc~17#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~29#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~29#1; 657348#L2826-3 assume !(0 == isFloorCalling_~floorID#1); 661696#L2830-3 assume !(1 == isFloorCalling_~floorID#1); 659389#L2834-3 assume !(2 == isFloorCalling_~floorID#1); 659390#L2838-3 assume !(3 == isFloorCalling_~floorID#1); 662678#L2842-3 assume 4 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~29#1 := ~calls_4~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~29#1; 662466#L2853-3 isExecutiveFloorCalling_#t~ret102#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~17#1 := isExecutiveFloorCalling_#t~ret102#1;havoc isExecutiveFloorCalling_#t~ret102#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~17#1; 659204#L1860-1 stopRequestedInDirection_#t~ret40#1 := isExecutiveFloorCalling_#res#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedInDirection_~tmp___0~5#1 := stopRequestedInDirection_#t~ret40#1;havoc stopRequestedInDirection_#t~ret40#1; 659205#L1099 assume 0 != stopRequestedInDirection_~tmp___0~5#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~1#1;havoc getCurrentFloorID_~retValue_acc~1#1;getCurrentFloorID_~retValue_acc~1#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~1#1; 661250#L507-3 stopRequestedInDirection_#t~ret41#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedInDirection_~tmp~9#1 := stopRequestedInDirection_#t~ret41#1;havoc stopRequestedInDirection_#t~ret41#1;stopRequestedInDirection_~__cil_tmp7~1#1 := (if 1 == stopRequestedInDirection_~dir#1 then 1 else 0);stopRequestedInDirection_~__cil_tmp8~2#1 := (if stopRequestedInDirection_~tmp~9#1 < ~executiveFloor~0 then 1 else 0);stopRequestedInDirection_~retValue_acc~10#1 := (if stopRequestedInDirection_~__cil_tmp8~2#1 == stopRequestedInDirection_~__cil_tmp7~1#1 then 1 else 0);stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~10#1; 655987#L1112 timeShift_#t~ret72#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret72#1;havoc timeShift_#t~ret72#1; 653711#L1496 assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret43#1, continueInDirection_~dir#1, continueInDirection_~tmp~10#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~10#1;~currentHeading~0 := continueInDirection_~dir#1; 653712#L1156 assume !(1 == ~currentHeading~0); 665512#L1166 assume !(0 == ~currentFloorID~0); 665500#L1166-2 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 665044#L1172-1 assume { :end_inline_continueInDirection } true; 665039#L1505-2 assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret5#1, __utac_acc__Specification13_spec__2_#t~ret6#1, __utac_acc__Specification13_spec__2_#t~ret7#1, __utac_acc__Specification13_spec__2_#t~ret8#1, __utac_acc__Specification13_spec__2_#t~ret9#1, __utac_acc__Specification13_spec__2_#t~ret10#1, __utac_acc__Specification13_spec__2_~tmp~0#1, __utac_acc__Specification13_spec__2_~tmp___0~0#1, __utac_acc__Specification13_spec__2_~tmp___1~0#1, __utac_acc__Specification13_spec__2_~tmp___2~0#1, __utac_acc__Specification13_spec__2_~tmp___3~0#1, __utac_acc__Specification13_spec__2_~tmp___4~0#1, __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1, __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1;havoc __utac_acc__Specification13_spec__2_~tmp~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___1~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___2~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___3~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___4~0#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1;__utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 := 2 * ~maximumWeight~0;__utac_acc__Specification13_spec__2_~__cil_tmp8~0#1 := (if __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 < 0 && 0 != __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 % 3 then 1 + __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 / 3 else __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 / 3); 664975#L108 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1; 664976#L109 assume 1 == ~prevDir~0;assume { :begin_inline_existInLiftCallsInDirection } true;existInLiftCallsInDirection_#in~d#1 := 0;havoc existInLiftCallsInDirection_#res#1;havoc existInLiftCallsInDirection_~d#1, existInLiftCallsInDirection_~retValue_acc~16#1, existInLiftCallsInDirection_~i~2#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~16#1;havoc existInLiftCallsInDirection_~i~2#1;havoc existInLiftCallsInDirection_~i___0~0#1; 664985#L1700 assume !(1 == existInLiftCallsInDirection_~d#1); 665600#L1766 assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1; 665601#L1770-2 [2021-12-16 09:50:48,571 INFO L793 eck$LassoCheckResult]: Loop: 665601#L1770-2 assume !false; 665598#L1771 assume existInLiftCallsInDirection_~i___0~0#1 >= 0; 665599#L1772 existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0; 665613#L1779-2 assume !false; 665609#L1780 assume !(existInLiftCallsInDirection_~i___0~0#1 < 5); 665607#L1838 existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1; 665601#L1770-2 [2021-12-16 09:50:48,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:50:48,571 INFO L85 PathProgramCache]: Analyzing trace with hash -1885271029, now seen corresponding path program 1 times [2021-12-16 09:50:48,571 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:50:48,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136720524] [2021-12-16 09:50:48,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:50:48,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:50:48,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:50:48,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 09:50:48,611 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 09:50:48,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136720524] [2021-12-16 09:50:48,611 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136720524] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 09:50:48,611 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 09:50:48,611 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-16 09:50:48,611 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464563282] [2021-12-16 09:50:48,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 09:50:48,612 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-16 09:50:48,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:50:48,612 INFO L85 PathProgramCache]: Analyzing trace with hash -1087190869, now seen corresponding path program 11 times [2021-12-16 09:50:48,612 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:50:48,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853845525] [2021-12-16 09:50:48,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:50:48,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:50:48,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:50:48,615 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:50:48,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:50:48,618 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:50:48,630 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 09:50:48,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-16 09:50:48,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-16 09:50:48,631 INFO L87 Difference]: Start difference. First operand 18758 states and 34109 transitions. cyclomatic complexity: 15421 Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 09:50:48,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 09:50:48,885 INFO L93 Difference]: Finished difference Result 33614 states and 61171 transitions. [2021-12-16 09:50:48,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-16 09:50:48,886 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33614 states and 61171 transitions. [2021-12-16 09:50:49,017 INFO L131 ngComponentsAnalysis]: Automaton has 102 accepting balls. 12736 [2021-12-16 09:50:49,122 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33614 states to 33614 states and 61171 transitions. [2021-12-16 09:50:49,122 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 33538 [2021-12-16 09:50:49,152 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 33538 [2021-12-16 09:50:49,153 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33614 states and 61171 transitions. [2021-12-16 09:50:49,154 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-16 09:50:49,154 INFO L681 BuchiCegarLoop]: Abstraction has 33614 states and 61171 transitions. [2021-12-16 09:50:49,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33614 states and 61171 transitions. [2021-12-16 09:50:49,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33614 to 18730. [2021-12-16 09:50:49,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18730 states, 18730 states have (on average 1.8184196476241323) internal successors, (34059), 18729 states have internal predecessors, (34059), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 09:50:49,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18730 states to 18730 states and 34059 transitions. [2021-12-16 09:50:49,416 INFO L704 BuchiCegarLoop]: Abstraction has 18730 states and 34059 transitions. [2021-12-16 09:50:49,416 INFO L587 BuchiCegarLoop]: Abstraction has 18730 states and 34059 transitions. [2021-12-16 09:50:49,416 INFO L425 BuchiCegarLoop]: ======== Iteration 14============ [2021-12-16 09:50:49,416 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18730 states and 34059 transitions. [2021-12-16 09:50:49,463 INFO L131 ngComponentsAnalysis]: Automaton has 66 accepting balls. 4736 [2021-12-16 09:50:49,464 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 09:50:49,464 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 09:50:49,464 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 09:50:49,464 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-12-16 09:50:49,465 INFO L791 eck$LassoCheckResult]: Stem: 715358#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(32, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(10, 4);call #Ultimate.allocInit(4, 5);call write~init~int(91, 5, 0, 1);call write~init~int(95, 5, 1, 1);call write~init~int(93, 5, 2, 1);call write~init~int(0, 5, 3, 1);call #Ultimate.allocInit(4, 6);call write~init~int(91, 6, 0, 1);call write~init~int(93, 6, 1, 1);call write~init~int(32, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(5, 7);call write~init~int(32, 7, 0, 1);call write~init~int(97, 7, 1, 1);call write~init~int(116, 7, 2, 1);call write~init~int(32, 7, 3, 1);call write~init~int(0, 7, 4, 1);call #Ultimate.allocInit(3, 8);call write~init~int(37, 8, 0, 1);call write~init~int(105, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(10, 9);call #Ultimate.allocInit(3, 10);call write~init~int(117, 10, 0, 1);call write~init~int(112, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(5, 11);call write~init~int(100, 11, 0, 1);call write~init~int(111, 11, 1, 1);call write~init~int(119, 11, 2, 1);call write~init~int(110, 11, 3, 1);call write~init~int(0, 11, 4, 1);call #Ultimate.allocInit(7, 12);call write~init~int(32, 12, 0, 1);call write~init~int(73, 12, 1, 1);call write~init~int(76, 12, 2, 1);call write~init~int(95, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(4, 13);call write~init~int(32, 13, 0, 1);call write~init~int(37, 13, 1, 1);call write~init~int(105, 13, 2, 1);call write~init~int(0, 13, 3, 1);call #Ultimate.allocInit(4, 14);call write~init~int(32, 14, 0, 1);call write~init~int(37, 14, 1, 1);call write~init~int(105, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(4, 15);call write~init~int(32, 15, 0, 1);call write~init~int(37, 15, 1, 1);call write~init~int(105, 15, 2, 1);call write~init~int(0, 15, 3, 1);call #Ultimate.allocInit(4, 16);call write~init~int(32, 16, 0, 1);call write~init~int(37, 16, 1, 1);call write~init~int(105, 16, 2, 1);call write~init~int(0, 16, 3, 1);call #Ultimate.allocInit(4, 17);call write~init~int(32, 17, 0, 1);call write~init~int(37, 17, 1, 1);call write~init~int(105, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(6, 18);call write~init~int(32, 18, 0, 1);call write~init~int(70, 18, 1, 1);call write~init~int(95, 18, 2, 1);call write~init~int(112, 18, 3, 1);call write~init~int(58, 18, 4, 1);call write~init~int(0, 18, 5, 1);call #Ultimate.allocInit(4, 19);call write~init~int(32, 19, 0, 1);call write~init~int(37, 19, 1, 1);call write~init~int(105, 19, 2, 1);call write~init~int(0, 19, 3, 1);call #Ultimate.allocInit(4, 20);call write~init~int(32, 20, 0, 1);call write~init~int(37, 20, 1, 1);call write~init~int(105, 20, 2, 1);call write~init~int(0, 20, 3, 1);call #Ultimate.allocInit(4, 21);call write~init~int(32, 21, 0, 1);call write~init~int(37, 21, 1, 1);call write~init~int(105, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(4, 22);call write~init~int(32, 22, 0, 1);call write~init~int(37, 22, 1, 1);call write~init~int(105, 22, 2, 1);call write~init~int(0, 22, 3, 1);call #Ultimate.allocInit(4, 23);call write~init~int(32, 23, 0, 1);call write~init~int(37, 23, 1, 1);call write~init~int(105, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(2, 24);call write~init~int(10, 24, 0, 1);call write~init~int(0, 24, 1, 1);call #Ultimate.allocInit(30, 25);call #Ultimate.allocInit(9, 26);call #Ultimate.allocInit(21, 27);call #Ultimate.allocInit(30, 28);call #Ultimate.allocInit(9, 29);call #Ultimate.allocInit(21, 30);call #Ultimate.allocInit(30, 31);call #Ultimate.allocInit(9, 32);call #Ultimate.allocInit(25, 33);call #Ultimate.allocInit(30, 34);call #Ultimate.allocInit(9, 35);call #Ultimate.allocInit(25, 36);~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~prevDir~0 := 0;~cleanupTimeShifts~0 := 12;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~calls_0~0 := 0;~calls_1~0 := 0;~calls_2~0 := 0;~calls_3~0 := 0;~calls_4~0 := 0;~personOnFloor_0_0~0 := 0;~personOnFloor_0_1~0 := 0;~personOnFloor_0_2~0 := 0;~personOnFloor_0_3~0 := 0;~personOnFloor_0_4~0 := 0;~personOnFloor_1_0~0 := 0;~personOnFloor_1_1~0 := 0;~personOnFloor_1_2~0 := 0;~personOnFloor_1_3~0 := 0;~personOnFloor_1_4~0 := 0;~personOnFloor_2_0~0 := 0;~personOnFloor_2_1~0 := 0;~personOnFloor_2_2~0 := 0;~personOnFloor_2_3~0 := 0;~personOnFloor_2_4~0 := 0;~personOnFloor_3_0~0 := 0;~personOnFloor_3_1~0 := 0;~personOnFloor_3_2~0 := 0;~personOnFloor_3_3~0 := 0;~personOnFloor_3_4~0 := 0;~personOnFloor_4_0~0 := 0;~personOnFloor_4_1~0 := 0;~personOnFloor_4_2~0 := 0;~personOnFloor_4_3~0 := 0;~personOnFloor_4_4~0 := 0;~personOnFloor_5_0~0 := 0;~personOnFloor_5_1~0 := 0;~personOnFloor_5_2~0 := 0;~personOnFloor_5_3~0 := 0;~personOnFloor_5_4~0 := 0; 713323#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret116#1, main_~retValue_acc~23#1, main_~tmp~25#1;havoc main_~retValue_acc~23#1;havoc main_~tmp~25#1;assume { :begin_inline_select_helpers } true; 712978#L2731 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 712979#L2724 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~28#1;havoc valid_product_~retValue_acc~28#1;valid_product_~retValue_acc~28#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~28#1; 709676#L2739 main_#t~ret116#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~25#1 := main_#t~ret116#1;havoc main_#t~ret116#1; 709677#L2329 assume 0 != main_~tmp~25#1;assume { :begin_inline_setup } true; 715468#L2303 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;assume { :begin_inline_aliceCall } true;havoc aliceCall_#t~ret105#1, aliceCall_~tmp~18#1;havoc aliceCall_~tmp~18#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~20#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~20#1; 709367#L1917 assume !(0 == getOrigin_~person#1); 709368#L1921 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~20#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~20#1; 714871#L1942 aliceCall_#t~ret105#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~18#1 := aliceCall_#t~ret105#1;havoc aliceCall_#t~ret105#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~18#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 715748#L3097 assume !(0 == initPersonOnFloor_~floor#1); 715613#L3124 assume !(1 == initPersonOnFloor_~floor#1); 707093#L3151 assume !(2 == initPersonOnFloor_~floor#1); 707094#L3178 assume 3 == initPersonOnFloor_~floor#1; 713603#L3179 assume !(0 == initPersonOnFloor_~person#1); 709952#L3182 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_3~0 := 1; 707231#L3205-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 713496#L2889 assume !(0 == callOnFloor_~floorID#1); 708832#L2892 assume !(1 == callOnFloor_~floorID#1); 708833#L2895 assume !(2 == callOnFloor_~floorID#1); 713822#L2898 assume !(3 == callOnFloor_~floorID#1); 715519#L2901 assume 4 == callOnFloor_~floorID#1;~calls_4~0 := 1; 715674#L2901-2 assume { :end_inline_callOnFloor } true; 714684#L3241 assume { :end_inline_initPersonOnFloor } true; 714685#L2064 assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret106#1, angelinaCall_~tmp~19#1;havoc angelinaCall_~tmp~19#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~20#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~20#1; 714826#L1917-1 assume !(0 == getOrigin_~person#1); 711189#L1921-1 assume !(1 == getOrigin_~person#1); 709181#L1925-1 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~20#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~20#1; 709182#L1942-1 angelinaCall_#t~ret106#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~19#1 := angelinaCall_#t~ret106#1;havoc angelinaCall_#t~ret106#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~19#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 714071#L3097-1 assume !(0 == initPersonOnFloor_~floor#1); 709724#L3124-1 assume !(1 == initPersonOnFloor_~floor#1); 709725#L3151-1 assume 2 == initPersonOnFloor_~floor#1; 718517#L3152-2 assume !(0 == initPersonOnFloor_~person#1); 718516#L3155-2 assume !(1 == initPersonOnFloor_~person#1); 716552#L3158-2 assume 2 == initPersonOnFloor_~person#1;~personOnFloor_2_2~0 := 1; 716547#L3205-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 716545#L2889-2 assume !(0 == callOnFloor_~floorID#1); 716543#L2892-2 assume !(1 == callOnFloor_~floorID#1); 716003#L2895-2 assume 2 == callOnFloor_~floorID#1;~calls_2~0 := 1; 712066#L2901-5 assume { :end_inline_callOnFloor } true; 715889#L3241-1 assume { :end_inline_initPersonOnFloor } true; 715873#L2075 assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret65#1, timeShift_#t~ret66#1, timeShift_#t~ret67#1, timeShift_#t~ret68#1, timeShift_#t~ret69#1, timeShift_#t~ret70#1, timeShift_#t~ret71#1, timeShift_#t~ret72#1, timeShift_#t~ret73#1, timeShift_#t~ret74#1, timeShift_#t~ret75#1, timeShift_~tmp~15#1, timeShift_~tmp___0~10#1, timeShift_~tmp___1~6#1, timeShift_~tmp___2~4#1, timeShift_~tmp___3~4#1, timeShift_~tmp___4~3#1, timeShift_~tmp___5~2#1, timeShift_~tmp___6~2#1, timeShift_~tmp___7~2#1, timeShift_~tmp___8~2#1, timeShift_~tmp___9~2#1;havoc timeShift_~tmp~15#1;havoc timeShift_~tmp___0~10#1;havoc timeShift_~tmp___1~6#1;havoc timeShift_~tmp___2~4#1;havoc timeShift_~tmp___3~4#1;havoc timeShift_~tmp___4~3#1;havoc timeShift_~tmp___5~2#1;havoc timeShift_~tmp___6~2#1;havoc timeShift_~tmp___7~2#1;havoc timeShift_~tmp___8~2#1;havoc timeShift_~tmp___9~2#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret4#1;assume { :begin_inline_getCurrentHeading } true;havoc getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~4#1;havoc getCurrentHeading_~retValue_acc~4#1;getCurrentHeading_~retValue_acc~4#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~4#1; 715870#L559 __utac_acc__Specification13_spec__1_#t~ret4#1 := getCurrentHeading_#res#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret4#1;havoc __utac_acc__Specification13_spec__1_#t~ret4#1; 715867#L90 assume { :end_inline___utac_acc__Specification13_spec__1 } true;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret49#1, stopRequestedAtCurrentFloor_#t~ret50#1, stopRequestedAtCurrentFloor_#t~ret51#1, stopRequestedAtCurrentFloor_#t~ret52#1, stopRequestedAtCurrentFloor_~retValue_acc~14#1, stopRequestedAtCurrentFloor_~tmp~13#1, stopRequestedAtCurrentFloor_~tmp___0~8#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~14#1;havoc stopRequestedAtCurrentFloor_~tmp~13#1;havoc stopRequestedAtCurrentFloor_~tmp___0~8#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret102#1, isExecutiveFloorCalling_~retValue_acc~17#1;havoc isExecutiveFloorCalling_~retValue_acc~17#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~29#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~29#1; 715864#L2826 assume !(0 == isFloorCalling_~floorID#1); 715861#L2830 assume !(1 == isFloorCalling_~floorID#1); 715858#L2834 assume !(2 == isFloorCalling_~floorID#1); 715855#L2838 assume !(3 == isFloorCalling_~floorID#1); 715852#L2842 assume 4 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~29#1 := ~calls_4~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~29#1; 715849#L2853 isExecutiveFloorCalling_#t~ret102#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~17#1 := isExecutiveFloorCalling_#t~ret102#1;havoc isExecutiveFloorCalling_#t~ret102#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~17#1; 715846#L1860 stopRequestedAtCurrentFloor_#t~ret49#1 := isExecutiveFloorCalling_#res#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedAtCurrentFloor_~tmp~13#1 := stopRequestedAtCurrentFloor_#t~ret49#1;havoc stopRequestedAtCurrentFloor_#t~ret49#1; 715842#L1244 assume 0 != stopRequestedAtCurrentFloor_~tmp~13#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~1#1;havoc getCurrentFloorID_~retValue_acc~1#1;getCurrentFloorID_~retValue_acc~1#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~1#1; 713851#L507 stopRequestedAtCurrentFloor_#t~ret50#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedAtCurrentFloor_~tmp___0~8#1 := stopRequestedAtCurrentFloor_#t~ret50#1;havoc stopRequestedAtCurrentFloor_#t~ret50#1; 713852#L1248 assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~8#1);stopRequestedAtCurrentFloor_~retValue_acc~14#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~14#1; 712663#L1261 timeShift_#t~ret65#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret65#1;havoc timeShift_#t~ret65#1; 718524#L1397 assume !(0 != timeShift_~tmp___9~2#1); 718523#L1488 assume 1 == ~doorState~0;~doorState~0 := 0; 718522#L1488-2 assume { :begin_inline_stopRequestedInDirection } true;stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1 := ~currentHeading~0, 1, 1;havoc stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~10#1, stopRequestedInDirection_~tmp~9#1, stopRequestedInDirection_~tmp___0~5#1, stopRequestedInDirection_~__cil_tmp7~1#1, stopRequestedInDirection_~__cil_tmp8~2#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~10#1;havoc stopRequestedInDirection_~tmp~9#1;havoc stopRequestedInDirection_~tmp___0~5#1;havoc stopRequestedInDirection_~__cil_tmp7~1#1;havoc stopRequestedInDirection_~__cil_tmp8~2#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret102#1, isExecutiveFloorCalling_~retValue_acc~17#1;havoc isExecutiveFloorCalling_~retValue_acc~17#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~29#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~29#1; 718520#L2826-3 assume !(0 == isFloorCalling_~floorID#1); 718518#L2830-3 assume !(1 == isFloorCalling_~floorID#1); 716553#L2834-3 assume !(2 == isFloorCalling_~floorID#1); 716548#L2838-3 assume !(3 == isFloorCalling_~floorID#1); 716546#L2842-3 assume 4 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~29#1 := ~calls_4~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~29#1; 716544#L2853-3 isExecutiveFloorCalling_#t~ret102#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~17#1 := isExecutiveFloorCalling_#t~ret102#1;havoc isExecutiveFloorCalling_#t~ret102#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~17#1; 716542#L1860-1 stopRequestedInDirection_#t~ret40#1 := isExecutiveFloorCalling_#res#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedInDirection_~tmp___0~5#1 := stopRequestedInDirection_#t~ret40#1;havoc stopRequestedInDirection_#t~ret40#1; 716496#L1099 assume 0 != stopRequestedInDirection_~tmp___0~5#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~1#1;havoc getCurrentFloorID_~retValue_acc~1#1;getCurrentFloorID_~retValue_acc~1#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~1#1; 716064#L507-3 stopRequestedInDirection_#t~ret41#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedInDirection_~tmp~9#1 := stopRequestedInDirection_#t~ret41#1;havoc stopRequestedInDirection_#t~ret41#1;stopRequestedInDirection_~__cil_tmp7~1#1 := (if 1 == stopRequestedInDirection_~dir#1 then 1 else 0);stopRequestedInDirection_~__cil_tmp8~2#1 := (if stopRequestedInDirection_~tmp~9#1 < ~executiveFloor~0 then 1 else 0);stopRequestedInDirection_~retValue_acc~10#1 := (if stopRequestedInDirection_~__cil_tmp8~2#1 == stopRequestedInDirection_~__cil_tmp7~1#1 then 1 else 0);stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~10#1; 716063#L1112 timeShift_#t~ret72#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret72#1;havoc timeShift_#t~ret72#1; 716061#L1496 assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret43#1, continueInDirection_~dir#1, continueInDirection_~tmp~10#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~10#1;~currentHeading~0 := continueInDirection_~dir#1; 716060#L1156 assume !(1 == ~currentHeading~0); 716057#L1166 assume !(0 == ~currentFloorID~0); 716051#L1166-2 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 716050#L1172-1 assume { :end_inline_continueInDirection } true; 716046#L1505-2 assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret5#1, __utac_acc__Specification13_spec__2_#t~ret6#1, __utac_acc__Specification13_spec__2_#t~ret7#1, __utac_acc__Specification13_spec__2_#t~ret8#1, __utac_acc__Specification13_spec__2_#t~ret9#1, __utac_acc__Specification13_spec__2_#t~ret10#1, __utac_acc__Specification13_spec__2_~tmp~0#1, __utac_acc__Specification13_spec__2_~tmp___0~0#1, __utac_acc__Specification13_spec__2_~tmp___1~0#1, __utac_acc__Specification13_spec__2_~tmp___2~0#1, __utac_acc__Specification13_spec__2_~tmp___3~0#1, __utac_acc__Specification13_spec__2_~tmp___4~0#1, __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1, __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1;havoc __utac_acc__Specification13_spec__2_~tmp~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___1~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___2~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___3~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___4~0#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1;__utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 := 2 * ~maximumWeight~0;__utac_acc__Specification13_spec__2_~__cil_tmp8~0#1 := (if __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 < 0 && 0 != __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 % 3 then 1 + __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 / 3 else __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 / 3); 715994#L108 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1; 715995#L109 assume 1 == ~prevDir~0;assume { :begin_inline_existInLiftCallsInDirection } true;existInLiftCallsInDirection_#in~d#1 := 0;havoc existInLiftCallsInDirection_#res#1;havoc existInLiftCallsInDirection_~d#1, existInLiftCallsInDirection_~retValue_acc~16#1, existInLiftCallsInDirection_~i~2#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~16#1;havoc existInLiftCallsInDirection_~i~2#1;havoc existInLiftCallsInDirection_~i___0~0#1; 716303#L1700 assume !(1 == existInLiftCallsInDirection_~d#1); 717526#L1766 assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1; 717525#L1770-2 [2021-12-16 09:50:49,465 INFO L793 eck$LassoCheckResult]: Loop: 717525#L1770-2 assume !false; 717524#L1771 assume existInLiftCallsInDirection_~i___0~0#1 >= 0; 717523#L1772 existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0; 717522#L1779-2 assume !false; 717520#L1780 assume !(existInLiftCallsInDirection_~i___0~0#1 < 5); 717521#L1838 existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1; 717525#L1770-2 [2021-12-16 09:50:49,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:50:49,466 INFO L85 PathProgramCache]: Analyzing trace with hash -2107871655, now seen corresponding path program 1 times [2021-12-16 09:50:49,466 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:50:49,466 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827524375] [2021-12-16 09:50:49,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:50:49,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:50:49,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:50:49,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 09:50:49,500 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 09:50:49,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827524375] [2021-12-16 09:50:49,500 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827524375] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 09:50:49,500 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 09:50:49,500 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 09:50:49,500 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371718402] [2021-12-16 09:50:49,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 09:50:49,501 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-16 09:50:49,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:50:49,501 INFO L85 PathProgramCache]: Analyzing trace with hash -1087190869, now seen corresponding path program 12 times [2021-12-16 09:50:49,501 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:50:49,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79446249] [2021-12-16 09:50:49,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:50:49,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:50:49,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:50:49,504 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:50:49,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:50:49,506 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:50:49,517 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 09:50:49,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 09:50:49,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-16 09:50:49,518 INFO L87 Difference]: Start difference. First operand 18730 states and 34059 transitions. cyclomatic complexity: 15399 Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 09:50:50,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 09:50:50,051 INFO L93 Difference]: Finished difference Result 46597 states and 84811 transitions. [2021-12-16 09:50:50,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-16 09:50:50,051 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 46597 states and 84811 transitions. [2021-12-16 09:50:50,249 INFO L131 ngComponentsAnalysis]: Automaton has 144 accepting balls. 17104 [2021-12-16 09:50:50,387 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 46597 states to 46597 states and 84811 transitions. [2021-12-16 09:50:50,387 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 46483 [2021-12-16 09:50:50,429 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 46483 [2021-12-16 09:50:50,429 INFO L73 IsDeterministic]: Start isDeterministic. Operand 46597 states and 84811 transitions. [2021-12-16 09:50:50,430 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-16 09:50:50,431 INFO L681 BuchiCegarLoop]: Abstraction has 46597 states and 84811 transitions. [2021-12-16 09:50:50,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46597 states and 84811 transitions. [2021-12-16 09:50:50,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46597 to 18717. [2021-12-16 09:50:50,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18717 states, 18717 states have (on average 1.8185072394080248) internal successors, (34037), 18716 states have internal predecessors, (34037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 09:50:50,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18717 states to 18717 states and 34037 transitions. [2021-12-16 09:50:50,821 INFO L704 BuchiCegarLoop]: Abstraction has 18717 states and 34037 transitions. [2021-12-16 09:50:50,821 INFO L587 BuchiCegarLoop]: Abstraction has 18717 states and 34037 transitions. [2021-12-16 09:50:50,821 INFO L425 BuchiCegarLoop]: ======== Iteration 15============ [2021-12-16 09:50:50,821 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18717 states and 34037 transitions. [2021-12-16 09:50:50,872 INFO L131 ngComponentsAnalysis]: Automaton has 66 accepting balls. 4736 [2021-12-16 09:50:50,872 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 09:50:50,873 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 09:50:50,873 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 09:50:50,873 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-12-16 09:50:50,874 INFO L791 eck$LassoCheckResult]: Stem: 780505#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(32, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(10, 4);call #Ultimate.allocInit(4, 5);call write~init~int(91, 5, 0, 1);call write~init~int(95, 5, 1, 1);call write~init~int(93, 5, 2, 1);call write~init~int(0, 5, 3, 1);call #Ultimate.allocInit(4, 6);call write~init~int(91, 6, 0, 1);call write~init~int(93, 6, 1, 1);call write~init~int(32, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(5, 7);call write~init~int(32, 7, 0, 1);call write~init~int(97, 7, 1, 1);call write~init~int(116, 7, 2, 1);call write~init~int(32, 7, 3, 1);call write~init~int(0, 7, 4, 1);call #Ultimate.allocInit(3, 8);call write~init~int(37, 8, 0, 1);call write~init~int(105, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(10, 9);call #Ultimate.allocInit(3, 10);call write~init~int(117, 10, 0, 1);call write~init~int(112, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(5, 11);call write~init~int(100, 11, 0, 1);call write~init~int(111, 11, 1, 1);call write~init~int(119, 11, 2, 1);call write~init~int(110, 11, 3, 1);call write~init~int(0, 11, 4, 1);call #Ultimate.allocInit(7, 12);call write~init~int(32, 12, 0, 1);call write~init~int(73, 12, 1, 1);call write~init~int(76, 12, 2, 1);call write~init~int(95, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(4, 13);call write~init~int(32, 13, 0, 1);call write~init~int(37, 13, 1, 1);call write~init~int(105, 13, 2, 1);call write~init~int(0, 13, 3, 1);call #Ultimate.allocInit(4, 14);call write~init~int(32, 14, 0, 1);call write~init~int(37, 14, 1, 1);call write~init~int(105, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(4, 15);call write~init~int(32, 15, 0, 1);call write~init~int(37, 15, 1, 1);call write~init~int(105, 15, 2, 1);call write~init~int(0, 15, 3, 1);call #Ultimate.allocInit(4, 16);call write~init~int(32, 16, 0, 1);call write~init~int(37, 16, 1, 1);call write~init~int(105, 16, 2, 1);call write~init~int(0, 16, 3, 1);call #Ultimate.allocInit(4, 17);call write~init~int(32, 17, 0, 1);call write~init~int(37, 17, 1, 1);call write~init~int(105, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(6, 18);call write~init~int(32, 18, 0, 1);call write~init~int(70, 18, 1, 1);call write~init~int(95, 18, 2, 1);call write~init~int(112, 18, 3, 1);call write~init~int(58, 18, 4, 1);call write~init~int(0, 18, 5, 1);call #Ultimate.allocInit(4, 19);call write~init~int(32, 19, 0, 1);call write~init~int(37, 19, 1, 1);call write~init~int(105, 19, 2, 1);call write~init~int(0, 19, 3, 1);call #Ultimate.allocInit(4, 20);call write~init~int(32, 20, 0, 1);call write~init~int(37, 20, 1, 1);call write~init~int(105, 20, 2, 1);call write~init~int(0, 20, 3, 1);call #Ultimate.allocInit(4, 21);call write~init~int(32, 21, 0, 1);call write~init~int(37, 21, 1, 1);call write~init~int(105, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(4, 22);call write~init~int(32, 22, 0, 1);call write~init~int(37, 22, 1, 1);call write~init~int(105, 22, 2, 1);call write~init~int(0, 22, 3, 1);call #Ultimate.allocInit(4, 23);call write~init~int(32, 23, 0, 1);call write~init~int(37, 23, 1, 1);call write~init~int(105, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(2, 24);call write~init~int(10, 24, 0, 1);call write~init~int(0, 24, 1, 1);call #Ultimate.allocInit(30, 25);call #Ultimate.allocInit(9, 26);call #Ultimate.allocInit(21, 27);call #Ultimate.allocInit(30, 28);call #Ultimate.allocInit(9, 29);call #Ultimate.allocInit(21, 30);call #Ultimate.allocInit(30, 31);call #Ultimate.allocInit(9, 32);call #Ultimate.allocInit(25, 33);call #Ultimate.allocInit(30, 34);call #Ultimate.allocInit(9, 35);call #Ultimate.allocInit(25, 36);~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~prevDir~0 := 0;~cleanupTimeShifts~0 := 12;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~calls_0~0 := 0;~calls_1~0 := 0;~calls_2~0 := 0;~calls_3~0 := 0;~calls_4~0 := 0;~personOnFloor_0_0~0 := 0;~personOnFloor_0_1~0 := 0;~personOnFloor_0_2~0 := 0;~personOnFloor_0_3~0 := 0;~personOnFloor_0_4~0 := 0;~personOnFloor_1_0~0 := 0;~personOnFloor_1_1~0 := 0;~personOnFloor_1_2~0 := 0;~personOnFloor_1_3~0 := 0;~personOnFloor_1_4~0 := 0;~personOnFloor_2_0~0 := 0;~personOnFloor_2_1~0 := 0;~personOnFloor_2_2~0 := 0;~personOnFloor_2_3~0 := 0;~personOnFloor_2_4~0 := 0;~personOnFloor_3_0~0 := 0;~personOnFloor_3_1~0 := 0;~personOnFloor_3_2~0 := 0;~personOnFloor_3_3~0 := 0;~personOnFloor_3_4~0 := 0;~personOnFloor_4_0~0 := 0;~personOnFloor_4_1~0 := 0;~personOnFloor_4_2~0 := 0;~personOnFloor_4_3~0 := 0;~personOnFloor_4_4~0 := 0;~personOnFloor_5_0~0 := 0;~personOnFloor_5_1~0 := 0;~personOnFloor_5_2~0 := 0;~personOnFloor_5_3~0 := 0;~personOnFloor_5_4~0 := 0; 778581#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret116#1, main_~retValue_acc~23#1, main_~tmp~25#1;havoc main_~retValue_acc~23#1;havoc main_~tmp~25#1;assume { :begin_inline_select_helpers } true; 778243#L2731 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 778244#L2724 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~28#1;havoc valid_product_~retValue_acc~28#1;valid_product_~retValue_acc~28#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~28#1; 775015#L2739 main_#t~ret116#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~25#1 := main_#t~ret116#1;havoc main_#t~ret116#1; 775016#L2329 assume 0 != main_~tmp~25#1;assume { :begin_inline_setup } true; 780600#L2303 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;assume { :begin_inline_aliceCall } true;havoc aliceCall_#t~ret105#1, aliceCall_~tmp~18#1;havoc aliceCall_~tmp~18#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~20#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~20#1; 774707#L1917 assume !(0 == getOrigin_~person#1); 774708#L1921 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~20#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~20#1; 780065#L1942 aliceCall_#t~ret105#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~18#1 := aliceCall_#t~ret105#1;havoc aliceCall_#t~ret105#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~18#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 780821#L3097 assume !(0 == initPersonOnFloor_~floor#1); 780717#L3124 assume !(1 == initPersonOnFloor_~floor#1); 772438#L3151 assume !(2 == initPersonOnFloor_~floor#1); 772439#L3178 assume 3 == initPersonOnFloor_~floor#1; 778846#L3179 assume !(0 == initPersonOnFloor_~person#1); 775287#L3182 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_3~0 := 1; 772575#L3205-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 778745#L2889 assume !(0 == callOnFloor_~floorID#1); 774168#L2892 assume !(1 == callOnFloor_~floorID#1); 774169#L2895 assume !(2 == callOnFloor_~floorID#1); 779059#L2898 assume 3 == callOnFloor_~floorID#1;~calls_3~0 := 1; 780646#L2901-2 assume { :end_inline_callOnFloor } true; 779880#L3241 assume { :end_inline_initPersonOnFloor } true; 779881#L2064 assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret106#1, angelinaCall_~tmp~19#1;havoc angelinaCall_~tmp~19#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~20#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~20#1; 780021#L1917-1 assume !(0 == getOrigin_~person#1); 776507#L1921-1 assume !(1 == getOrigin_~person#1); 774520#L1925-1 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~20#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~20#1; 774521#L1942-1 angelinaCall_#t~ret106#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~19#1 := angelinaCall_#t~ret106#1;havoc angelinaCall_#t~ret106#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~19#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 779292#L3097-1 assume !(0 == initPersonOnFloor_~floor#1); 775063#L3124-1 assume !(1 == initPersonOnFloor_~floor#1); 775064#L3151-1 assume 2 == initPersonOnFloor_~floor#1; 775539#L3152-2 assume !(0 == initPersonOnFloor_~person#1); 775540#L3155-2 assume !(1 == initPersonOnFloor_~person#1); 778080#L3158-2 assume 2 == initPersonOnFloor_~person#1;~personOnFloor_2_2~0 := 1; 775707#L3205-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 775708#L2889-2 assume !(0 == callOnFloor_~floorID#1); 776428#L2892-2 assume !(1 == callOnFloor_~floorID#1); 777924#L2895-2 assume !(2 == callOnFloor_~floorID#1); 778161#L2898-2 assume !(3 == callOnFloor_~floorID#1); 777373#L2901-3 assume 4 == callOnFloor_~floorID#1;~calls_4~0 := 1; 777374#L2901-5 assume { :end_inline_callOnFloor } true; 780934#L3241-1 assume { :end_inline_initPersonOnFloor } true; 780926#L2075 assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret65#1, timeShift_#t~ret66#1, timeShift_#t~ret67#1, timeShift_#t~ret68#1, timeShift_#t~ret69#1, timeShift_#t~ret70#1, timeShift_#t~ret71#1, timeShift_#t~ret72#1, timeShift_#t~ret73#1, timeShift_#t~ret74#1, timeShift_#t~ret75#1, timeShift_~tmp~15#1, timeShift_~tmp___0~10#1, timeShift_~tmp___1~6#1, timeShift_~tmp___2~4#1, timeShift_~tmp___3~4#1, timeShift_~tmp___4~3#1, timeShift_~tmp___5~2#1, timeShift_~tmp___6~2#1, timeShift_~tmp___7~2#1, timeShift_~tmp___8~2#1, timeShift_~tmp___9~2#1;havoc timeShift_~tmp~15#1;havoc timeShift_~tmp___0~10#1;havoc timeShift_~tmp___1~6#1;havoc timeShift_~tmp___2~4#1;havoc timeShift_~tmp___3~4#1;havoc timeShift_~tmp___4~3#1;havoc timeShift_~tmp___5~2#1;havoc timeShift_~tmp___6~2#1;havoc timeShift_~tmp___7~2#1;havoc timeShift_~tmp___8~2#1;havoc timeShift_~tmp___9~2#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret4#1;assume { :begin_inline_getCurrentHeading } true;havoc getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~4#1;havoc getCurrentHeading_~retValue_acc~4#1;getCurrentHeading_~retValue_acc~4#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~4#1; 780910#L559 __utac_acc__Specification13_spec__1_#t~ret4#1 := getCurrentHeading_#res#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret4#1;havoc __utac_acc__Specification13_spec__1_#t~ret4#1; 780907#L90 assume { :end_inline___utac_acc__Specification13_spec__1 } true;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret49#1, stopRequestedAtCurrentFloor_#t~ret50#1, stopRequestedAtCurrentFloor_#t~ret51#1, stopRequestedAtCurrentFloor_#t~ret52#1, stopRequestedAtCurrentFloor_~retValue_acc~14#1, stopRequestedAtCurrentFloor_~tmp~13#1, stopRequestedAtCurrentFloor_~tmp___0~8#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~14#1;havoc stopRequestedAtCurrentFloor_~tmp~13#1;havoc stopRequestedAtCurrentFloor_~tmp___0~8#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret102#1, isExecutiveFloorCalling_~retValue_acc~17#1;havoc isExecutiveFloorCalling_~retValue_acc~17#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~29#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~29#1; 780904#L2826 assume !(0 == isFloorCalling_~floorID#1); 780901#L2830 assume !(1 == isFloorCalling_~floorID#1); 780898#L2834 assume !(2 == isFloorCalling_~floorID#1); 780895#L2838 assume !(3 == isFloorCalling_~floorID#1); 780892#L2842 assume 4 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~29#1 := ~calls_4~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~29#1; 780889#L2853 isExecutiveFloorCalling_#t~ret102#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~17#1 := isExecutiveFloorCalling_#t~ret102#1;havoc isExecutiveFloorCalling_#t~ret102#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~17#1; 780886#L1860 stopRequestedAtCurrentFloor_#t~ret49#1 := isExecutiveFloorCalling_#res#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedAtCurrentFloor_~tmp~13#1 := stopRequestedAtCurrentFloor_#t~ret49#1;havoc stopRequestedAtCurrentFloor_#t~ret49#1; 780881#L1244 assume 0 != stopRequestedAtCurrentFloor_~tmp~13#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~1#1;havoc getCurrentFloorID_~retValue_acc~1#1;getCurrentFloorID_~retValue_acc~1#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~1#1; 779087#L507 stopRequestedAtCurrentFloor_#t~ret50#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedAtCurrentFloor_~tmp___0~8#1 := stopRequestedAtCurrentFloor_#t~ret50#1;havoc stopRequestedAtCurrentFloor_#t~ret50#1; 779088#L1248 assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~8#1);stopRequestedAtCurrentFloor_~retValue_acc~14#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~14#1; 777943#L1261 timeShift_#t~ret65#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret65#1;havoc timeShift_#t~ret65#1; 783351#L1397 assume !(0 != timeShift_~tmp___9~2#1); 783352#L1488 assume 1 == ~doorState~0;~doorState~0 := 0; 784239#L1488-2 assume { :begin_inline_stopRequestedInDirection } true;stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1 := ~currentHeading~0, 1, 1;havoc stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~10#1, stopRequestedInDirection_~tmp~9#1, stopRequestedInDirection_~tmp___0~5#1, stopRequestedInDirection_~__cil_tmp7~1#1, stopRequestedInDirection_~__cil_tmp8~2#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~10#1;havoc stopRequestedInDirection_~tmp~9#1;havoc stopRequestedInDirection_~tmp___0~5#1;havoc stopRequestedInDirection_~__cil_tmp7~1#1;havoc stopRequestedInDirection_~__cil_tmp8~2#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret102#1, isExecutiveFloorCalling_~retValue_acc~17#1;havoc isExecutiveFloorCalling_~retValue_acc~17#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~29#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~29#1; 784237#L2826-3 assume !(0 == isFloorCalling_~floorID#1); 784205#L2830-3 assume !(1 == isFloorCalling_~floorID#1); 784200#L2834-3 assume !(2 == isFloorCalling_~floorID#1); 784193#L2838-3 assume !(3 == isFloorCalling_~floorID#1); 784192#L2842-3 assume 4 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~29#1 := ~calls_4~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~29#1; 784191#L2853-3 isExecutiveFloorCalling_#t~ret102#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~17#1 := isExecutiveFloorCalling_#t~ret102#1;havoc isExecutiveFloorCalling_#t~ret102#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~17#1; 781804#L1860-1 stopRequestedInDirection_#t~ret40#1 := isExecutiveFloorCalling_#res#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedInDirection_~tmp___0~5#1 := stopRequestedInDirection_#t~ret40#1;havoc stopRequestedInDirection_#t~ret40#1; 781758#L1099 assume 0 != stopRequestedInDirection_~tmp___0~5#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~1#1;havoc getCurrentFloorID_~retValue_acc~1#1;getCurrentFloorID_~retValue_acc~1#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~1#1; 781753#L507-3 stopRequestedInDirection_#t~ret41#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedInDirection_~tmp~9#1 := stopRequestedInDirection_#t~ret41#1;havoc stopRequestedInDirection_#t~ret41#1;stopRequestedInDirection_~__cil_tmp7~1#1 := (if 1 == stopRequestedInDirection_~dir#1 then 1 else 0);stopRequestedInDirection_~__cil_tmp8~2#1 := (if stopRequestedInDirection_~tmp~9#1 < ~executiveFloor~0 then 1 else 0);stopRequestedInDirection_~retValue_acc~10#1 := (if stopRequestedInDirection_~__cil_tmp8~2#1 == stopRequestedInDirection_~__cil_tmp7~1#1 then 1 else 0);stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~10#1; 781752#L1112 timeShift_#t~ret72#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret72#1;havoc timeShift_#t~ret72#1; 781750#L1496 assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret43#1, continueInDirection_~dir#1, continueInDirection_~tmp~10#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~10#1;~currentHeading~0 := continueInDirection_~dir#1; 781749#L1156 assume !(1 == ~currentHeading~0); 781743#L1166 assume !(0 == ~currentFloorID~0); 781740#L1166-2 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 781738#L1172-1 assume { :end_inline_continueInDirection } true; 781734#L1505-2 assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret5#1, __utac_acc__Specification13_spec__2_#t~ret6#1, __utac_acc__Specification13_spec__2_#t~ret7#1, __utac_acc__Specification13_spec__2_#t~ret8#1, __utac_acc__Specification13_spec__2_#t~ret9#1, __utac_acc__Specification13_spec__2_#t~ret10#1, __utac_acc__Specification13_spec__2_~tmp~0#1, __utac_acc__Specification13_spec__2_~tmp___0~0#1, __utac_acc__Specification13_spec__2_~tmp___1~0#1, __utac_acc__Specification13_spec__2_~tmp___2~0#1, __utac_acc__Specification13_spec__2_~tmp___3~0#1, __utac_acc__Specification13_spec__2_~tmp___4~0#1, __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1, __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1;havoc __utac_acc__Specification13_spec__2_~tmp~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___1~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___2~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___3~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___4~0#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1;__utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 := 2 * ~maximumWeight~0;__utac_acc__Specification13_spec__2_~__cil_tmp8~0#1 := (if __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 < 0 && 0 != __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 % 3 then 1 + __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 / 3 else __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 / 3); 781144#L108 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1; 781145#L109 assume 1 == ~prevDir~0;assume { :begin_inline_existInLiftCallsInDirection } true;existInLiftCallsInDirection_#in~d#1 := 0;havoc existInLiftCallsInDirection_#res#1;havoc existInLiftCallsInDirection_~d#1, existInLiftCallsInDirection_~retValue_acc~16#1, existInLiftCallsInDirection_~i~2#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~16#1;havoc existInLiftCallsInDirection_~i~2#1;havoc existInLiftCallsInDirection_~i___0~0#1; 781228#L1700 assume !(1 == existInLiftCallsInDirection_~d#1); 781226#L1766 assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1; 781224#L1770-2 [2021-12-16 09:50:50,874 INFO L793 eck$LassoCheckResult]: Loop: 781224#L1770-2 assume !false; 781222#L1771 assume existInLiftCallsInDirection_~i___0~0#1 >= 0; 781220#L1772 existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0; 781217#L1779-2 assume !false; 781214#L1780 assume !(existInLiftCallsInDirection_~i___0~0#1 < 5); 781215#L1838 existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1; 781224#L1770-2 [2021-12-16 09:50:50,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:50:50,874 INFO L85 PathProgramCache]: Analyzing trace with hash 1747701716, now seen corresponding path program 1 times [2021-12-16 09:50:50,875 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:50:50,875 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715671141] [2021-12-16 09:50:50,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:50:50,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:50:50,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:50:50,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 09:50:50,903 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 09:50:50,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715671141] [2021-12-16 09:50:50,903 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715671141] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 09:50:50,903 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 09:50:50,903 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 09:50:50,904 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297159974] [2021-12-16 09:50:50,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 09:50:50,904 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-16 09:50:50,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:50:50,904 INFO L85 PathProgramCache]: Analyzing trace with hash -1087190869, now seen corresponding path program 13 times [2021-12-16 09:50:50,904 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:50:50,905 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151109034] [2021-12-16 09:50:50,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:50:50,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:50:50,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:50:50,907 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:50:50,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:50:50,909 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:50:50,922 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 09:50:50,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 09:50:50,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-16 09:50:50,923 INFO L87 Difference]: Start difference. First operand 18717 states and 34037 transitions. cyclomatic complexity: 15390 Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 09:50:51,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 09:50:51,231 INFO L93 Difference]: Finished difference Result 20441 states and 37194 transitions. [2021-12-16 09:50:51,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 09:50:51,232 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20441 states and 37194 transitions. [2021-12-16 09:50:51,316 INFO L131 ngComponentsAnalysis]: Automaton has 60 accepting balls. 8342 [2021-12-16 09:50:51,375 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20441 states to 20441 states and 37194 transitions. [2021-12-16 09:50:51,375 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20403 [2021-12-16 09:50:51,394 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20403 [2021-12-16 09:50:51,394 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20441 states and 37194 transitions. [2021-12-16 09:50:51,395 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-16 09:50:51,395 INFO L681 BuchiCegarLoop]: Abstraction has 20441 states and 37194 transitions. [2021-12-16 09:50:51,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20441 states and 37194 transitions. [2021-12-16 09:50:51,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20441 to 13055. [2021-12-16 09:50:51,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13055 states, 13055 states have (on average 1.8183837610111069) internal successors, (23739), 13054 states have internal predecessors, (23739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 09:50:51,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13055 states to 13055 states and 23739 transitions. [2021-12-16 09:50:51,578 INFO L704 BuchiCegarLoop]: Abstraction has 13055 states and 23739 transitions. [2021-12-16 09:50:51,578 INFO L587 BuchiCegarLoop]: Abstraction has 13055 states and 23739 transitions. [2021-12-16 09:50:51,578 INFO L425 BuchiCegarLoop]: ======== Iteration 16============ [2021-12-16 09:50:51,578 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13055 states and 23739 transitions. [2021-12-16 09:50:51,609 INFO L131 ngComponentsAnalysis]: Automaton has 42 accepting balls. 4368 [2021-12-16 09:50:51,610 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 09:50:51,610 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 09:50:51,610 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 09:50:51,610 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-12-16 09:50:51,611 INFO L791 eck$LassoCheckResult]: Stem: 819441#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(32, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(10, 4);call #Ultimate.allocInit(4, 5);call write~init~int(91, 5, 0, 1);call write~init~int(95, 5, 1, 1);call write~init~int(93, 5, 2, 1);call write~init~int(0, 5, 3, 1);call #Ultimate.allocInit(4, 6);call write~init~int(91, 6, 0, 1);call write~init~int(93, 6, 1, 1);call write~init~int(32, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(5, 7);call write~init~int(32, 7, 0, 1);call write~init~int(97, 7, 1, 1);call write~init~int(116, 7, 2, 1);call write~init~int(32, 7, 3, 1);call write~init~int(0, 7, 4, 1);call #Ultimate.allocInit(3, 8);call write~init~int(37, 8, 0, 1);call write~init~int(105, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(10, 9);call #Ultimate.allocInit(3, 10);call write~init~int(117, 10, 0, 1);call write~init~int(112, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(5, 11);call write~init~int(100, 11, 0, 1);call write~init~int(111, 11, 1, 1);call write~init~int(119, 11, 2, 1);call write~init~int(110, 11, 3, 1);call write~init~int(0, 11, 4, 1);call #Ultimate.allocInit(7, 12);call write~init~int(32, 12, 0, 1);call write~init~int(73, 12, 1, 1);call write~init~int(76, 12, 2, 1);call write~init~int(95, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(4, 13);call write~init~int(32, 13, 0, 1);call write~init~int(37, 13, 1, 1);call write~init~int(105, 13, 2, 1);call write~init~int(0, 13, 3, 1);call #Ultimate.allocInit(4, 14);call write~init~int(32, 14, 0, 1);call write~init~int(37, 14, 1, 1);call write~init~int(105, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(4, 15);call write~init~int(32, 15, 0, 1);call write~init~int(37, 15, 1, 1);call write~init~int(105, 15, 2, 1);call write~init~int(0, 15, 3, 1);call #Ultimate.allocInit(4, 16);call write~init~int(32, 16, 0, 1);call write~init~int(37, 16, 1, 1);call write~init~int(105, 16, 2, 1);call write~init~int(0, 16, 3, 1);call #Ultimate.allocInit(4, 17);call write~init~int(32, 17, 0, 1);call write~init~int(37, 17, 1, 1);call write~init~int(105, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(6, 18);call write~init~int(32, 18, 0, 1);call write~init~int(70, 18, 1, 1);call write~init~int(95, 18, 2, 1);call write~init~int(112, 18, 3, 1);call write~init~int(58, 18, 4, 1);call write~init~int(0, 18, 5, 1);call #Ultimate.allocInit(4, 19);call write~init~int(32, 19, 0, 1);call write~init~int(37, 19, 1, 1);call write~init~int(105, 19, 2, 1);call write~init~int(0, 19, 3, 1);call #Ultimate.allocInit(4, 20);call write~init~int(32, 20, 0, 1);call write~init~int(37, 20, 1, 1);call write~init~int(105, 20, 2, 1);call write~init~int(0, 20, 3, 1);call #Ultimate.allocInit(4, 21);call write~init~int(32, 21, 0, 1);call write~init~int(37, 21, 1, 1);call write~init~int(105, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(4, 22);call write~init~int(32, 22, 0, 1);call write~init~int(37, 22, 1, 1);call write~init~int(105, 22, 2, 1);call write~init~int(0, 22, 3, 1);call #Ultimate.allocInit(4, 23);call write~init~int(32, 23, 0, 1);call write~init~int(37, 23, 1, 1);call write~init~int(105, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(2, 24);call write~init~int(10, 24, 0, 1);call write~init~int(0, 24, 1, 1);call #Ultimate.allocInit(30, 25);call #Ultimate.allocInit(9, 26);call #Ultimate.allocInit(21, 27);call #Ultimate.allocInit(30, 28);call #Ultimate.allocInit(9, 29);call #Ultimate.allocInit(21, 30);call #Ultimate.allocInit(30, 31);call #Ultimate.allocInit(9, 32);call #Ultimate.allocInit(25, 33);call #Ultimate.allocInit(30, 34);call #Ultimate.allocInit(9, 35);call #Ultimate.allocInit(25, 36);~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~prevDir~0 := 0;~cleanupTimeShifts~0 := 12;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~calls_0~0 := 0;~calls_1~0 := 0;~calls_2~0 := 0;~calls_3~0 := 0;~calls_4~0 := 0;~personOnFloor_0_0~0 := 0;~personOnFloor_0_1~0 := 0;~personOnFloor_0_2~0 := 0;~personOnFloor_0_3~0 := 0;~personOnFloor_0_4~0 := 0;~personOnFloor_1_0~0 := 0;~personOnFloor_1_1~0 := 0;~personOnFloor_1_2~0 := 0;~personOnFloor_1_3~0 := 0;~personOnFloor_1_4~0 := 0;~personOnFloor_2_0~0 := 0;~personOnFloor_2_1~0 := 0;~personOnFloor_2_2~0 := 0;~personOnFloor_2_3~0 := 0;~personOnFloor_2_4~0 := 0;~personOnFloor_3_0~0 := 0;~personOnFloor_3_1~0 := 0;~personOnFloor_3_2~0 := 0;~personOnFloor_3_3~0 := 0;~personOnFloor_3_4~0 := 0;~personOnFloor_4_0~0 := 0;~personOnFloor_4_1~0 := 0;~personOnFloor_4_2~0 := 0;~personOnFloor_4_3~0 := 0;~personOnFloor_4_4~0 := 0;~personOnFloor_5_0~0 := 0;~personOnFloor_5_1~0 := 0;~personOnFloor_5_2~0 := 0;~personOnFloor_5_3~0 := 0;~personOnFloor_5_4~0 := 0; 817618#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret116#1, main_~retValue_acc~23#1, main_~tmp~25#1;havoc main_~retValue_acc~23#1;havoc main_~tmp~25#1;assume { :begin_inline_select_helpers } true; 817292#L2731 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 817293#L2724 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~28#1;havoc valid_product_~retValue_acc~28#1;valid_product_~retValue_acc~28#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~28#1; 814130#L2739 main_#t~ret116#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~25#1 := main_#t~ret116#1;havoc main_#t~ret116#1; 814131#L2329 assume 0 != main_~tmp~25#1;assume { :begin_inline_setup } true; 819528#L2303 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;assume { :begin_inline_aliceCall } true;havoc aliceCall_#t~ret105#1, aliceCall_~tmp~18#1;havoc aliceCall_~tmp~18#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~20#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~20#1; 813825#L1917 assume !(0 == getOrigin_~person#1); 813826#L1921 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~20#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~20#1; 819028#L1942 aliceCall_#t~ret105#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~18#1 := aliceCall_#t~ret105#1;havoc aliceCall_#t~ret105#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~18#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 819720#L3097 assume !(0 == initPersonOnFloor_~floor#1); 819633#L3124 assume !(1 == initPersonOnFloor_~floor#1); 811597#L3151 assume !(2 == initPersonOnFloor_~floor#1); 811598#L3178 assume 3 == initPersonOnFloor_~floor#1; 817877#L3179 assume !(0 == initPersonOnFloor_~person#1); 814392#L3182 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_3~0 := 1; 811734#L3205-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 817778#L2889 assume !(0 == callOnFloor_~floorID#1); 813298#L2892 assume !(1 == callOnFloor_~floorID#1); 813299#L2895 assume !(2 == callOnFloor_~floorID#1); 818082#L2898 assume 3 == callOnFloor_~floorID#1;~calls_3~0 := 1; 819569#L2901-2 assume { :end_inline_callOnFloor } true; 818858#L3241 assume { :end_inline_initPersonOnFloor } true; 818859#L2064 assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret106#1, angelinaCall_~tmp~19#1;havoc angelinaCall_~tmp~19#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~20#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~20#1; 818985#L1917-1 assume !(0 == getOrigin_~person#1); 815587#L1921-1 assume !(1 == getOrigin_~person#1); 813644#L1925-1 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~20#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~20#1; 813645#L1942-1 angelinaCall_#t~ret106#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~19#1 := angelinaCall_#t~ret106#1;havoc angelinaCall_#t~ret106#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~19#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 818307#L3097-1 assume !(0 == initPersonOnFloor_~floor#1); 814176#L3124-1 assume !(1 == initPersonOnFloor_~floor#1); 814177#L3151-1 assume 2 == initPersonOnFloor_~floor#1; 814644#L3152-2 assume !(0 == initPersonOnFloor_~person#1); 814645#L3155-2 assume !(1 == initPersonOnFloor_~person#1); 817131#L3158-2 assume 2 == initPersonOnFloor_~person#1;~personOnFloor_2_2~0 := 1; 814808#L3205-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 814809#L2889-2 assume !(0 == callOnFloor_~floorID#1); 815509#L2892-2 assume !(1 == callOnFloor_~floorID#1); 816976#L2895-2 assume 2 == callOnFloor_~floorID#1;~calls_2~0 := 1; 817138#L2901-5 assume { :end_inline_callOnFloor } true; 815851#L3241-1 assume { :end_inline_initPersonOnFloor } true; 815852#L2075 assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret65#1, timeShift_#t~ret66#1, timeShift_#t~ret67#1, timeShift_#t~ret68#1, timeShift_#t~ret69#1, timeShift_#t~ret70#1, timeShift_#t~ret71#1, timeShift_#t~ret72#1, timeShift_#t~ret73#1, timeShift_#t~ret74#1, timeShift_#t~ret75#1, timeShift_~tmp~15#1, timeShift_~tmp___0~10#1, timeShift_~tmp___1~6#1, timeShift_~tmp___2~4#1, timeShift_~tmp___3~4#1, timeShift_~tmp___4~3#1, timeShift_~tmp___5~2#1, timeShift_~tmp___6~2#1, timeShift_~tmp___7~2#1, timeShift_~tmp___8~2#1, timeShift_~tmp___9~2#1;havoc timeShift_~tmp~15#1;havoc timeShift_~tmp___0~10#1;havoc timeShift_~tmp___1~6#1;havoc timeShift_~tmp___2~4#1;havoc timeShift_~tmp___3~4#1;havoc timeShift_~tmp___4~3#1;havoc timeShift_~tmp___5~2#1;havoc timeShift_~tmp___6~2#1;havoc timeShift_~tmp___7~2#1;havoc timeShift_~tmp___8~2#1;havoc timeShift_~tmp___9~2#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret4#1;assume { :begin_inline_getCurrentHeading } true;havoc getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~4#1;havoc getCurrentHeading_~retValue_acc~4#1;getCurrentHeading_~retValue_acc~4#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~4#1; 815280#L559 __utac_acc__Specification13_spec__1_#t~ret4#1 := getCurrentHeading_#res#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret4#1;havoc __utac_acc__Specification13_spec__1_#t~ret4#1; 815281#L90 assume { :end_inline___utac_acc__Specification13_spec__1 } true;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret49#1, stopRequestedAtCurrentFloor_#t~ret50#1, stopRequestedAtCurrentFloor_#t~ret51#1, stopRequestedAtCurrentFloor_#t~ret52#1, stopRequestedAtCurrentFloor_~retValue_acc~14#1, stopRequestedAtCurrentFloor_~tmp~13#1, stopRequestedAtCurrentFloor_~tmp___0~8#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~14#1;havoc stopRequestedAtCurrentFloor_~tmp~13#1;havoc stopRequestedAtCurrentFloor_~tmp___0~8#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret102#1, isExecutiveFloorCalling_~retValue_acc~17#1;havoc isExecutiveFloorCalling_~retValue_acc~17#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~29#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~29#1; 819408#L2826 assume !(0 == isFloorCalling_~floorID#1); 815624#L2830 assume !(1 == isFloorCalling_~floorID#1); 815625#L2834 assume !(2 == isFloorCalling_~floorID#1); 819643#L2838 assume !(3 == isFloorCalling_~floorID#1); 812075#L2842 assume 4 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~29#1 := ~calls_4~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~29#1; 811856#L2853 isExecutiveFloorCalling_#t~ret102#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~17#1 := isExecutiveFloorCalling_#t~ret102#1;havoc isExecutiveFloorCalling_#t~ret102#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~17#1; 811857#L1860 stopRequestedAtCurrentFloor_#t~ret49#1 := isExecutiveFloorCalling_#res#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedAtCurrentFloor_~tmp~13#1 := stopRequestedAtCurrentFloor_#t~ret49#1;havoc stopRequestedAtCurrentFloor_#t~ret49#1; 815009#L1244 assume !(0 != stopRequestedAtCurrentFloor_~tmp~13#1);assume { :begin_inline_stopRequestedAtCurrentFloor__wrappee__twothirdsfull } true;havoc stopRequestedAtCurrentFloor__wrappee__twothirdsfull_#res#1;havoc stopRequestedAtCurrentFloor__wrappee__twothirdsfull_#t~ret46#1, stopRequestedAtCurrentFloor__wrappee__twothirdsfull_#t~ret47#1, stopRequestedAtCurrentFloor__wrappee__twothirdsfull_#t~ret48#1, stopRequestedAtCurrentFloor__wrappee__twothirdsfull_~retValue_acc~13#1, stopRequestedAtCurrentFloor__wrappee__twothirdsfull_~tmp~12#1, stopRequestedAtCurrentFloor__wrappee__twothirdsfull_~tmp___0~7#1, stopRequestedAtCurrentFloor__wrappee__twothirdsfull_~__cil_tmp4~0#1, stopRequestedAtCurrentFloor__wrappee__twothirdsfull_~__cil_tmp5~0#1;havoc stopRequestedAtCurrentFloor__wrappee__twothirdsfull_~retValue_acc~13#1;havoc stopRequestedAtCurrentFloor__wrappee__twothirdsfull_~tmp~12#1;havoc stopRequestedAtCurrentFloor__wrappee__twothirdsfull_~tmp___0~7#1;havoc stopRequestedAtCurrentFloor__wrappee__twothirdsfull_~__cil_tmp4~0#1;havoc stopRequestedAtCurrentFloor__wrappee__twothirdsfull_~__cil_tmp5~0#1;stopRequestedAtCurrentFloor__wrappee__twothirdsfull_~__cil_tmp4~0#1 := 2 * ~maximumWeight~0;stopRequestedAtCurrentFloor__wrappee__twothirdsfull_~__cil_tmp5~0#1 := (if stopRequestedAtCurrentFloor__wrappee__twothirdsfull_~__cil_tmp4~0#1 < 0 && 0 != stopRequestedAtCurrentFloor__wrappee__twothirdsfull_~__cil_tmp4~0#1 % 3 then 1 + stopRequestedAtCurrentFloor__wrappee__twothirdsfull_~__cil_tmp4~0#1 / 3 else stopRequestedAtCurrentFloor__wrappee__twothirdsfull_~__cil_tmp4~0#1 / 3); 815010#L1218-1 assume ~weight~0 > stopRequestedAtCurrentFloor__wrappee__twothirdsfull_~__cil_tmp5~0#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~1#1;havoc getCurrentFloorID_~retValue_acc~1#1;getCurrentFloorID_~retValue_acc~1#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~1#1; 815053#L507-2 stopRequestedAtCurrentFloor__wrappee__twothirdsfull_#t~ret46#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedAtCurrentFloor__wrappee__twothirdsfull_~tmp~12#1 := stopRequestedAtCurrentFloor__wrappee__twothirdsfull_#t~ret46#1;havoc stopRequestedAtCurrentFloor__wrappee__twothirdsfull_#t~ret46#1;assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := stopRequestedAtCurrentFloor__wrappee__twothirdsfull_~tmp~12#1;havoc buttonForFloorIsPressed_#res#1;havoc buttonForFloorIsPressed_~floorID#1, buttonForFloorIsPressed_~retValue_acc~3#1;buttonForFloorIsPressed_~floorID#1 := buttonForFloorIsPressed_#in~floorID#1;havoc buttonForFloorIsPressed_~retValue_acc~3#1; 815054#L524-2 assume 0 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~3#1 := ~floorButtons_0~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~3#1; 812851#L545-2 stopRequestedAtCurrentFloor__wrappee__twothirdsfull_#t~ret47#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor__wrappee__twothirdsfull_~tmp___0~7#1 := stopRequestedAtCurrentFloor__wrappee__twothirdsfull_#t~ret47#1;havoc stopRequestedAtCurrentFloor__wrappee__twothirdsfull_#t~ret47#1;stopRequestedAtCurrentFloor__wrappee__twothirdsfull_~retValue_acc~13#1 := (if 1 == stopRequestedAtCurrentFloor__wrappee__twothirdsfull_~tmp___0~7#1 then 1 else 0);stopRequestedAtCurrentFloor__wrappee__twothirdsfull_#res#1 := stopRequestedAtCurrentFloor__wrappee__twothirdsfull_~retValue_acc~13#1; 817393#L1229-1 stopRequestedAtCurrentFloor_#t~ret52#1 := stopRequestedAtCurrentFloor__wrappee__twothirdsfull_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor__wrappee__twothirdsfull } true;stopRequestedAtCurrentFloor_~retValue_acc~14#1 := stopRequestedAtCurrentFloor_#t~ret52#1;havoc stopRequestedAtCurrentFloor_#t~ret52#1;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~14#1; 818057#L1261 timeShift_#t~ret65#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret65#1;havoc timeShift_#t~ret65#1; 817562#L1397 assume !(0 != timeShift_~tmp___9~2#1); 817285#L1488 assume 1 == ~doorState~0;~doorState~0 := 0; 814170#L1488-2 assume { :begin_inline_stopRequestedInDirection } true;stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1 := ~currentHeading~0, 1, 1;havoc stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~10#1, stopRequestedInDirection_~tmp~9#1, stopRequestedInDirection_~tmp___0~5#1, stopRequestedInDirection_~__cil_tmp7~1#1, stopRequestedInDirection_~__cil_tmp8~2#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~10#1;havoc stopRequestedInDirection_~tmp~9#1;havoc stopRequestedInDirection_~tmp___0~5#1;havoc stopRequestedInDirection_~__cil_tmp7~1#1;havoc stopRequestedInDirection_~__cil_tmp8~2#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret102#1, isExecutiveFloorCalling_~retValue_acc~17#1;havoc isExecutiveFloorCalling_~retValue_acc~17#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~29#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~29#1; 814171#L2826-3 assume !(0 == isFloorCalling_~floorID#1); 818332#L2830-3 assume !(1 == isFloorCalling_~floorID#1); 816156#L2834-3 assume !(2 == isFloorCalling_~floorID#1); 816157#L2838-3 assume !(3 == isFloorCalling_~floorID#1); 819221#L2842-3 assume 4 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~29#1 := ~calls_4~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~29#1; 819031#L2853-3 isExecutiveFloorCalling_#t~ret102#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~17#1 := isExecutiveFloorCalling_#t~ret102#1;havoc isExecutiveFloorCalling_#t~ret102#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~17#1; 815978#L1860-1 stopRequestedInDirection_#t~ret40#1 := isExecutiveFloorCalling_#res#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedInDirection_~tmp___0~5#1 := stopRequestedInDirection_#t~ret40#1;havoc stopRequestedInDirection_#t~ret40#1; 815979#L1099 assume 0 != stopRequestedInDirection_~tmp___0~5#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~1#1;havoc getCurrentFloorID_~retValue_acc~1#1;getCurrentFloorID_~retValue_acc~1#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~1#1; 817929#L507-3 stopRequestedInDirection_#t~ret41#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedInDirection_~tmp~9#1 := stopRequestedInDirection_#t~ret41#1;havoc stopRequestedInDirection_#t~ret41#1;stopRequestedInDirection_~__cil_tmp7~1#1 := (if 1 == stopRequestedInDirection_~dir#1 then 1 else 0);stopRequestedInDirection_~__cil_tmp8~2#1 := (if stopRequestedInDirection_~tmp~9#1 < ~executiveFloor~0 then 1 else 0);stopRequestedInDirection_~retValue_acc~10#1 := (if stopRequestedInDirection_~__cil_tmp8~2#1 == stopRequestedInDirection_~__cil_tmp7~1#1 then 1 else 0);stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~10#1; 812838#L1112 timeShift_#t~ret72#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret72#1;havoc timeShift_#t~ret72#1; 810604#L1496 assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret43#1, continueInDirection_~dir#1, continueInDirection_~tmp~10#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~10#1;~currentHeading~0 := continueInDirection_~dir#1; 810605#L1156 assume !(1 == ~currentHeading~0); 810655#L1166 assume !(0 == ~currentFloorID~0); 810656#L1166-2 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 815003#L1172-1 assume { :end_inline_continueInDirection } true; 818642#L1505-2 assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret5#1, __utac_acc__Specification13_spec__2_#t~ret6#1, __utac_acc__Specification13_spec__2_#t~ret7#1, __utac_acc__Specification13_spec__2_#t~ret8#1, __utac_acc__Specification13_spec__2_#t~ret9#1, __utac_acc__Specification13_spec__2_#t~ret10#1, __utac_acc__Specification13_spec__2_~tmp~0#1, __utac_acc__Specification13_spec__2_~tmp___0~0#1, __utac_acc__Specification13_spec__2_~tmp___1~0#1, __utac_acc__Specification13_spec__2_~tmp___2~0#1, __utac_acc__Specification13_spec__2_~tmp___3~0#1, __utac_acc__Specification13_spec__2_~tmp___4~0#1, __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1, __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1;havoc __utac_acc__Specification13_spec__2_~tmp~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___1~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___2~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___3~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___4~0#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1;__utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 := 2 * ~maximumWeight~0;__utac_acc__Specification13_spec__2_~__cil_tmp8~0#1 := (if __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 < 0 && 0 != __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 % 3 then 1 + __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 / 3 else __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 / 3); 813034#L108 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1; 813036#L109 assume 1 == ~prevDir~0;assume { :begin_inline_existInLiftCallsInDirection } true;existInLiftCallsInDirection_#in~d#1 := 0;havoc existInLiftCallsInDirection_#res#1;havoc existInLiftCallsInDirection_~d#1, existInLiftCallsInDirection_~retValue_acc~16#1, existInLiftCallsInDirection_~i~2#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~16#1;havoc existInLiftCallsInDirection_~i~2#1;havoc existInLiftCallsInDirection_~i___0~0#1; 812287#L1700 assume !(1 == existInLiftCallsInDirection_~d#1); 812288#L1766 assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1; 817511#L1770-2 [2021-12-16 09:50:51,611 INFO L793 eck$LassoCheckResult]: Loop: 817511#L1770-2 assume !false; 813621#L1771 assume existInLiftCallsInDirection_~i___0~0#1 >= 0; 813622#L1772 existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0; 810562#L1779-2 assume !false; 816820#L1780 assume !(existInLiftCallsInDirection_~i___0~0#1 < 5); 816822#L1838 existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1; 817511#L1770-2 [2021-12-16 09:50:51,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:50:51,612 INFO L85 PathProgramCache]: Analyzing trace with hash 999937445, now seen corresponding path program 1 times [2021-12-16 09:50:51,612 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:50:51,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734644881] [2021-12-16 09:50:51,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:50:51,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:50:51,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:50:51,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 09:50:51,649 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 09:50:51,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734644881] [2021-12-16 09:50:51,649 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734644881] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 09:50:51,649 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 09:50:51,649 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 09:50:51,649 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31221952] [2021-12-16 09:50:51,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 09:50:51,650 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-16 09:50:51,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:50:51,650 INFO L85 PathProgramCache]: Analyzing trace with hash -1087190869, now seen corresponding path program 14 times [2021-12-16 09:50:51,650 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:50:51,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906338624] [2021-12-16 09:50:51,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:50:51,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:50:51,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:50:51,653 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:50:51,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:50:51,655 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:50:51,667 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 09:50:51,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 09:50:51,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 09:50:51,667 INFO L87 Difference]: Start difference. First operand 13055 states and 23739 transitions. cyclomatic complexity: 10728 Second operand has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 5 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)